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-rw-r--r--test/Transforms/ExpandMemCmp/X86/memcmp.ll792
1 files changed, 792 insertions, 0 deletions
diff --git a/test/Transforms/ExpandMemCmp/X86/memcmp.ll b/test/Transforms/ExpandMemCmp/X86/memcmp.ll
new file mode 100644
index 00000000000..1abfb20f369
--- /dev/null
+++ b/test/Transforms/ExpandMemCmp/X86/memcmp.ll
@@ -0,0 +1,792 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
+; RUN: opt -S -expandmemcmp -mtriple=i686-unknown-unknown -data-layout=e-m:o-p:32:32-f64:32:64-f80:128-n8:16:32-S128 < %s | FileCheck %s --check-prefix=ALL --check-prefix=X32
+; RUN: opt -S -expandmemcmp -mtriple=x86_64-unknown-unknown -data-layout=e-m:o-i64:64-f80:128-n8:16:32:64-S128 < %s | FileCheck %s --check-prefix=ALL --check-prefix=X64
+
+declare i32 @memcmp(i8* nocapture, i8* nocapture, i64)
+
+define i32 @cmp2(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp2(
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
+; ALL-NEXT: [[TMP6:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP4]])
+; ALL-NEXT: [[TMP7:%.*]] = zext i16 [[TMP5]] to i32
+; ALL-NEXT: [[TMP8:%.*]] = zext i16 [[TMP6]] to i32
+; ALL-NEXT: [[TMP9:%.*]] = sub i32 [[TMP7]], [[TMP8]]
+; ALL-NEXT: ret i32 [[TMP9]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 2)
+ ret i32 %call
+}
+
+define i32 @cmp3(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp3(
+; ALL-NEXT: br label [[LOADBB:%.*]]
+; ALL: res_block:
+; ALL-NEXT: [[PHI_SRC1:%.*]] = phi i16 [ [[TMP7:%.*]], [[LOADBB]] ]
+; ALL-NEXT: [[PHI_SRC2:%.*]] = phi i16 [ [[TMP8:%.*]], [[LOADBB]] ]
+; ALL-NEXT: [[TMP1:%.*]] = icmp ult i16 [[PHI_SRC1]], [[PHI_SRC2]]
+; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; ALL-NEXT: br label [[ENDBLOCK:%.*]]
+; ALL: loadbb:
+; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; ALL-NEXT: [[TMP5:%.*]] = load i16, i16* [[TMP3]]
+; ALL-NEXT: [[TMP6:%.*]] = load i16, i16* [[TMP4]]
+; ALL-NEXT: [[TMP7]] = call i16 @llvm.bswap.i16(i16 [[TMP5]])
+; ALL-NEXT: [[TMP8]] = call i16 @llvm.bswap.i16(i16 [[TMP6]])
+; ALL-NEXT: [[TMP9:%.*]] = icmp eq i16 [[TMP7]], [[TMP8]]
+; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; ALL: loadbb1:
+; ALL-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i8 2
+; ALL-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i8 2
+; ALL-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]]
+; ALL-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]]
+; ALL-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; ALL-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; ALL-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; ALL-NEXT: br label [[ENDBLOCK]]
+; ALL: endblock:
+; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; ALL-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 3)
+ ret i32 %call
+}
+
+define i32 @cmp4(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp4(
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
+; ALL-NEXT: [[TMP6:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP4]])
+; ALL-NEXT: [[TMP7:%.*]] = icmp ugt i32 [[TMP5]], [[TMP6]]
+; ALL-NEXT: [[TMP8:%.*]] = icmp ult i32 [[TMP5]], [[TMP6]]
+; ALL-NEXT: [[TMP9:%.*]] = zext i1 [[TMP7]] to i32
+; ALL-NEXT: [[TMP10:%.*]] = zext i1 [[TMP8]] to i32
+; ALL-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[TMP10]]
+; ALL-NEXT: ret i32 [[TMP11]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 4)
+ ret i32 %call
+}
+
+define i32 @cmp5(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp5(
+; ALL-NEXT: br label [[LOADBB:%.*]]
+; ALL: res_block:
+; ALL-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ]
+; ALL-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ]
+; ALL-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; ALL-NEXT: br label [[ENDBLOCK:%.*]]
+; ALL: loadbb:
+; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; ALL-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]]
+; ALL-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]]
+; ALL-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; ALL-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; ALL-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; ALL: loadbb1:
+; ALL-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i8 4
+; ALL-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i8 4
+; ALL-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]]
+; ALL-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]]
+; ALL-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; ALL-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; ALL-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; ALL-NEXT: br label [[ENDBLOCK]]
+; ALL: endblock:
+; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; ALL-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 5)
+ ret i32 %call
+}
+
+define i32 @cmp6(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp6(
+; ALL-NEXT: br label [[LOADBB:%.*]]
+; ALL: res_block:
+; ALL-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1:%.*]] ]
+; ALL-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP19:%.*]], [[LOADBB1]] ]
+; ALL-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; ALL-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; ALL-NEXT: br label [[ENDBLOCK:%.*]]
+; ALL: loadbb:
+; ALL-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; ALL-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; ALL-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]]
+; ALL-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]]
+; ALL-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; ALL-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; ALL-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; ALL-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; ALL: loadbb1:
+; ALL-NEXT: [[TMP10:%.*]] = bitcast i8* [[X]] to i16*
+; ALL-NEXT: [[TMP11:%.*]] = bitcast i8* [[Y]] to i16*
+; ALL-NEXT: [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 2
+; ALL-NEXT: [[TMP13:%.*]] = getelementptr i16, i16* [[TMP11]], i16 2
+; ALL-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]]
+; ALL-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]]
+; ALL-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
+; ALL-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]])
+; ALL-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i32
+; ALL-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i32
+; ALL-NEXT: [[TMP20:%.*]] = icmp eq i32 [[TMP18]], [[TMP19]]
+; ALL-NEXT: br i1 [[TMP20]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; ALL: endblock:
+; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; ALL-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 6)
+ ret i32 %call
+}
+
+define i32 @cmp7(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp7(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 7)
+; ALL-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 7)
+ ret i32 %call
+}
+
+define i32 @cmp8(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp8(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: [[PHI_SRC1:%.*]] = phi i32 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
+; X32-NEXT: [[PHI_SRC2:%.*]] = phi i32 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
+; X32-NEXT: [[TMP1:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
+; X32-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP5:%.*]] = load i32, i32* [[TMP3]]
+; X32-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP4]]
+; X32-NEXT: [[TMP7]] = call i32 @llvm.bswap.i32(i32 [[TMP5]])
+; X32-NEXT: [[TMP8]] = call i32 @llvm.bswap.i32(i32 [[TMP6]])
+; X32-NEXT: [[TMP9:%.*]] = icmp eq i32 [[TMP7]], [[TMP8]]
+; X32-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP10:%.*]] = bitcast i8* [[X]] to i32*
+; X32-NEXT: [[TMP11:%.*]] = bitcast i8* [[Y]] to i32*
+; X32-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1
+; X32-NEXT: [[TMP13:%.*]] = getelementptr i32, i32* [[TMP11]], i32 1
+; X32-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]]
+; X32-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]]
+; X32-NEXT: [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
+; X32-NEXT: [[TMP17]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
+; X32-NEXT: [[TMP18:%.*]] = icmp eq i32 [[TMP16]], [[TMP17]]
+; X32-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X32-NEXT: ret i32 [[PHI_RES]]
+;
+; X64-LABEL: @cmp8(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]]
+; X64-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP2]]
+; X64-NEXT: [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]])
+; X64-NEXT: [[TMP6:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP4]])
+; X64-NEXT: [[TMP7:%.*]] = icmp ugt i64 [[TMP5]], [[TMP6]]
+; X64-NEXT: [[TMP8:%.*]] = icmp ult i64 [[TMP5]], [[TMP6]]
+; X64-NEXT: [[TMP9:%.*]] = zext i1 [[TMP7]] to i32
+; X64-NEXT: [[TMP10:%.*]] = zext i1 [[TMP8]] to i32
+; X64-NEXT: [[TMP11:%.*]] = sub i32 [[TMP9]], [[TMP10]]
+; X64-NEXT: ret i32 [[TMP11]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 8)
+ ret i32 %call
+}
+
+define i32 @cmp9(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp9(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 9)
+; X32-NEXT: ret i32 [[CALL]]
+;
+; X64-LABEL: @cmp9(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP7:%.*]], [[LOADBB]] ]
+; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP8:%.*]], [[LOADBB]] ]
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = getelementptr i8, i8* [[X]], i8 8
+; X64-NEXT: [[TMP11:%.*]] = getelementptr i8, i8* [[Y]], i8 8
+; X64-NEXT: [[TMP12:%.*]] = load i8, i8* [[TMP10]]
+; X64-NEXT: [[TMP13:%.*]] = load i8, i8* [[TMP11]]
+; X64-NEXT: [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
+; X64-NEXT: [[TMP15:%.*]] = zext i8 [[TMP13]] to i32
+; X64-NEXT: [[TMP16:%.*]] = sub i32 [[TMP14]], [[TMP15]]
+; X64-NEXT: br label [[ENDBLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ [[TMP16]], [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 9)
+ ret i32 %call
+}
+
+define i32 @cmp10(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp10(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 10)
+; X32-NEXT: ret i32 [[CALL]]
+;
+; X64-LABEL: @cmp10(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1:%.*]] ]
+; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP19:%.*]], [[LOADBB1]] ]
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[X]] to i16*
+; X64-NEXT: [[TMP11:%.*]] = bitcast i8* [[Y]] to i16*
+; X64-NEXT: [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 4
+; X64-NEXT: [[TMP13:%.*]] = getelementptr i16, i16* [[TMP11]], i16 4
+; X64-NEXT: [[TMP14:%.*]] = load i16, i16* [[TMP12]]
+; X64-NEXT: [[TMP15:%.*]] = load i16, i16* [[TMP13]]
+; X64-NEXT: [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
+; X64-NEXT: [[TMP17:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP15]])
+; X64-NEXT: [[TMP18]] = zext i16 [[TMP16]] to i64
+; X64-NEXT: [[TMP19]] = zext i16 [[TMP17]] to i64
+; X64-NEXT: [[TMP20:%.*]] = icmp eq i64 [[TMP18]], [[TMP19]]
+; X64-NEXT: br i1 [[TMP20]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 10)
+ ret i32 %call
+}
+
+define i32 @cmp11(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp11(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 11)
+; ALL-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 11)
+ ret i32 %call
+}
+
+define i32 @cmp12(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp12(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 12)
+; X32-NEXT: ret i32 [[CALL]]
+;
+; X64-LABEL: @cmp12(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1:%.*]] ]
+; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP19:%.*]], [[LOADBB1]] ]
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[X]] to i32*
+; X64-NEXT: [[TMP11:%.*]] = bitcast i8* [[Y]] to i32*
+; X64-NEXT: [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 2
+; X64-NEXT: [[TMP13:%.*]] = getelementptr i32, i32* [[TMP11]], i32 2
+; X64-NEXT: [[TMP14:%.*]] = load i32, i32* [[TMP12]]
+; X64-NEXT: [[TMP15:%.*]] = load i32, i32* [[TMP13]]
+; X64-NEXT: [[TMP16:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
+; X64-NEXT: [[TMP17:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP15]])
+; X64-NEXT: [[TMP18]] = zext i32 [[TMP16]] to i64
+; X64-NEXT: [[TMP19]] = zext i32 [[TMP17]] to i64
+; X64-NEXT: [[TMP20:%.*]] = icmp eq i64 [[TMP18]], [[TMP19]]
+; X64-NEXT: br i1 [[TMP20]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 12)
+ ret i32 %call
+}
+
+define i32 @cmp13(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp13(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 13)
+; ALL-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 13)
+ ret i32 %call
+}
+
+define i32 @cmp14(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp14(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 14)
+; ALL-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 14)
+ ret i32 %call
+}
+
+define i32 @cmp15(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp15(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15)
+; ALL-NEXT: ret i32 [[CALL]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 15)
+ ret i32 %call
+}
+
+define i32 @cmp16(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp16(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 16)
+; X32-NEXT: ret i32 [[CALL]]
+;
+; X64-LABEL: @cmp16(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: [[PHI_SRC1:%.*]] = phi i64 [ [[TMP7:%.*]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1:%.*]] ]
+; X64-NEXT: [[PHI_SRC2:%.*]] = phi i64 [ [[TMP8:%.*]], [[LOADBB]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
+; X64-NEXT: [[TMP1:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
+; X64-NEXT: [[TMP2:%.*]] = select i1 [[TMP1]], i32 -1, i32 1
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP3:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP4:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP5:%.*]] = load i64, i64* [[TMP3]]
+; X64-NEXT: [[TMP6:%.*]] = load i64, i64* [[TMP4]]
+; X64-NEXT: [[TMP7]] = call i64 @llvm.bswap.i64(i64 [[TMP5]])
+; X64-NEXT: [[TMP8]] = call i64 @llvm.bswap.i64(i64 [[TMP6]])
+; X64-NEXT: [[TMP9:%.*]] = icmp eq i64 [[TMP7]], [[TMP8]]
+; X64-NEXT: br i1 [[TMP9]], label [[LOADBB1]], label [[RES_BLOCK:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP10:%.*]] = bitcast i8* [[X]] to i64*
+; X64-NEXT: [[TMP11:%.*]] = bitcast i8* [[Y]] to i64*
+; X64-NEXT: [[TMP12:%.*]] = getelementptr i64, i64* [[TMP10]], i64 1
+; X64-NEXT: [[TMP13:%.*]] = getelementptr i64, i64* [[TMP11]], i64 1
+; X64-NEXT: [[TMP14:%.*]] = load i64, i64* [[TMP12]]
+; X64-NEXT: [[TMP15:%.*]] = load i64, i64* [[TMP13]]
+; X64-NEXT: [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]])
+; X64-NEXT: [[TMP17]] = call i64 @llvm.bswap.i64(i64 [[TMP15]])
+; X64-NEXT: [[TMP18:%.*]] = icmp eq i64 [[TMP16]], [[TMP17]]
+; X64-NEXT: br i1 [[TMP18]], label [[ENDBLOCK]], label [[RES_BLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP2]], [[RES_BLOCK]] ]
+; X64-NEXT: ret i32 [[PHI_RES]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16)
+ ret i32 %call
+}
+
+define i32 @cmp_eq2(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq2(
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = icmp ne i16 [[TMP3]], [[TMP4]]
+; ALL-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 2)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq3(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq3(
+; ALL-NEXT: br label [[LOADBB:%.*]]
+; ALL: res_block:
+; ALL-NEXT: br label [[ENDBLOCK:%.*]]
+; ALL: loadbb:
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i16*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i16*
+; ALL-NEXT: [[TMP3:%.*]] = load i16, i16* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i16, i16* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = icmp ne i16 [[TMP3]], [[TMP4]]
+; ALL-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; ALL: loadbb1:
+; ALL-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i8 2
+; ALL-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i8 2
+; ALL-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]]
+; ALL-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]]
+; ALL-NEXT: [[TMP10:%.*]] = icmp ne i8 [[TMP8]], [[TMP9]]
+; ALL-NEXT: br i1 [[TMP10]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; ALL: endblock:
+; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 3)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq4(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq4(
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
+; ALL-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 4)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq5(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq5(
+; ALL-NEXT: br label [[LOADBB:%.*]]
+; ALL: res_block:
+; ALL-NEXT: br label [[ENDBLOCK:%.*]]
+; ALL: loadbb:
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
+; ALL-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; ALL: loadbb1:
+; ALL-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i8 4
+; ALL-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i8 4
+; ALL-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]]
+; ALL-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]]
+; ALL-NEXT: [[TMP10:%.*]] = icmp ne i8 [[TMP8]], [[TMP9]]
+; ALL-NEXT: br i1 [[TMP10]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; ALL: endblock:
+; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 5)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq6(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq6(
+; ALL-NEXT: br label [[LOADBB:%.*]]
+; ALL: res_block:
+; ALL-NEXT: br label [[ENDBLOCK:%.*]]
+; ALL: loadbb:
+; ALL-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; ALL-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; ALL-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]]
+; ALL-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]]
+; ALL-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
+; ALL-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; ALL: loadbb1:
+; ALL-NEXT: [[TMP6:%.*]] = bitcast i8* [[X]] to i16*
+; ALL-NEXT: [[TMP7:%.*]] = bitcast i8* [[Y]] to i16*
+; ALL-NEXT: [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 2
+; ALL-NEXT: [[TMP9:%.*]] = getelementptr i16, i16* [[TMP7]], i16 2
+; ALL-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]]
+; ALL-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP9]]
+; ALL-NEXT: [[TMP12:%.*]] = icmp ne i16 [[TMP10]], [[TMP11]]
+; ALL-NEXT: br i1 [[TMP12]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; ALL: endblock:
+; ALL-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 6)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq7(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq7(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 7)
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 7)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq8(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq8(
+; X32-NEXT: br label [[LOADBB:%.*]]
+; X32: res_block:
+; X32-NEXT: br label [[ENDBLOCK:%.*]]
+; X32: loadbb:
+; X32-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i32*
+; X32-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i32*
+; X32-NEXT: [[TMP3:%.*]] = load i32, i32* [[TMP1]]
+; X32-NEXT: [[TMP4:%.*]] = load i32, i32* [[TMP2]]
+; X32-NEXT: [[TMP5:%.*]] = icmp ne i32 [[TMP3]], [[TMP4]]
+; X32-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; X32: loadbb1:
+; X32-NEXT: [[TMP6:%.*]] = bitcast i8* [[X]] to i32*
+; X32-NEXT: [[TMP7:%.*]] = bitcast i8* [[Y]] to i32*
+; X32-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1
+; X32-NEXT: [[TMP9:%.*]] = getelementptr i32, i32* [[TMP7]], i32 1
+; X32-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]]
+; X32-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP9]]
+; X32-NEXT: [[TMP12:%.*]] = icmp ne i32 [[TMP10]], [[TMP11]]
+; X32-NEXT: br i1 [[TMP12]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; X32: endblock:
+; X32-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+; X64-LABEL: @cmp_eq8(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]]
+; X64-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP2]]
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i64 [[TMP3]], [[TMP4]]
+; X64-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 8)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq9(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq9(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 9)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+; X64-LABEL: @cmp_eq9(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]]
+; X64-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP2]]
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i64 [[TMP3]], [[TMP4]]
+; X64-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP6:%.*]] = getelementptr i8, i8* [[X]], i8 8
+; X64-NEXT: [[TMP7:%.*]] = getelementptr i8, i8* [[Y]], i8 8
+; X64-NEXT: [[TMP8:%.*]] = load i8, i8* [[TMP6]]
+; X64-NEXT: [[TMP9:%.*]] = load i8, i8* [[TMP7]]
+; X64-NEXT: [[TMP10:%.*]] = icmp ne i8 [[TMP8]], [[TMP9]]
+; X64-NEXT: br i1 [[TMP10]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 9)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq10(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq10(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 10)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+; X64-LABEL: @cmp_eq10(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]]
+; X64-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP2]]
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i64 [[TMP3]], [[TMP4]]
+; X64-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[X]] to i16*
+; X64-NEXT: [[TMP7:%.*]] = bitcast i8* [[Y]] to i16*
+; X64-NEXT: [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 4
+; X64-NEXT: [[TMP9:%.*]] = getelementptr i16, i16* [[TMP7]], i16 4
+; X64-NEXT: [[TMP10:%.*]] = load i16, i16* [[TMP8]]
+; X64-NEXT: [[TMP11:%.*]] = load i16, i16* [[TMP9]]
+; X64-NEXT: [[TMP12:%.*]] = icmp ne i16 [[TMP10]], [[TMP11]]
+; X64-NEXT: br i1 [[TMP12]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 10)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq11(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq11(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 11)
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 11)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq12(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq12(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 12)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+; X64-LABEL: @cmp_eq12(
+; X64-NEXT: br label [[LOADBB:%.*]]
+; X64: res_block:
+; X64-NEXT: br label [[ENDBLOCK:%.*]]
+; X64: loadbb:
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i64*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i64*
+; X64-NEXT: [[TMP3:%.*]] = load i64, i64* [[TMP1]]
+; X64-NEXT: [[TMP4:%.*]] = load i64, i64* [[TMP2]]
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i64 [[TMP3]], [[TMP4]]
+; X64-NEXT: br i1 [[TMP5]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
+; X64: loadbb1:
+; X64-NEXT: [[TMP6:%.*]] = bitcast i8* [[X]] to i32*
+; X64-NEXT: [[TMP7:%.*]] = bitcast i8* [[Y]] to i32*
+; X64-NEXT: [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 2
+; X64-NEXT: [[TMP9:%.*]] = getelementptr i32, i32* [[TMP7]], i32 2
+; X64-NEXT: [[TMP10:%.*]] = load i32, i32* [[TMP8]]
+; X64-NEXT: [[TMP11:%.*]] = load i32, i32* [[TMP9]]
+; X64-NEXT: [[TMP12:%.*]] = icmp ne i32 [[TMP10]], [[TMP11]]
+; X64-NEXT: br i1 [[TMP12]], label [[RES_BLOCK]], label [[ENDBLOCK]]
+; X64: endblock:
+; X64-NEXT: [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ 1, [[RES_BLOCK]] ]
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[PHI_RES]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 12)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq13(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq13(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 13)
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 13)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq14(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq14(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 14)
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 14)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq15(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; ALL-LABEL: @cmp_eq15(
+; ALL-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 15)
+; ALL-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; ALL-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; ALL-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 15)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
+define i32 @cmp_eq16(i8* nocapture readonly %x, i8* nocapture readonly %y) {
+; X32-LABEL: @cmp_eq16(
+; X32-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8* [[X:%.*]], i8* [[Y:%.*]], i64 16)
+; X32-NEXT: [[CMP:%.*]] = icmp eq i32 [[CALL]], 0
+; X32-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X32-NEXT: ret i32 [[CONV]]
+;
+; X64-LABEL: @cmp_eq16(
+; X64-NEXT: [[TMP1:%.*]] = bitcast i8* [[X:%.*]] to i128*
+; X64-NEXT: [[TMP2:%.*]] = bitcast i8* [[Y:%.*]] to i128*
+; X64-NEXT: [[TMP3:%.*]] = load i128, i128* [[TMP1]]
+; X64-NEXT: [[TMP4:%.*]] = load i128, i128* [[TMP2]]
+; X64-NEXT: [[TMP5:%.*]] = icmp ne i128 [[TMP3]], [[TMP4]]
+; X64-NEXT: [[TMP6:%.*]] = zext i1 [[TMP5]] to i32
+; X64-NEXT: [[CMP:%.*]] = icmp eq i32 [[TMP6]], 0
+; X64-NEXT: [[CONV:%.*]] = zext i1 [[CMP]] to i32
+; X64-NEXT: ret i32 [[CONV]]
+;
+ %call = tail call i32 @memcmp(i8* %x, i8* %y, i64 16)
+ %cmp = icmp eq i32 %call, 0
+ %conv = zext i1 %cmp to i32
+ ret i32 %conv
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 09:43:22 +0000