re-land [ExpandMemCmp] Split ExpandMemCmp from CodeGen into its own pass."

Fix undefined references: ExpandMemCmp belongs to CodeGen/, not Scalar/.

llvm-svn: 317318

1 files changed, 0 insertions, 771 deletions

diff --git a/llvm/test/Transforms/CodeGenPrepare/X86/memcmp.ll b/llvm/test/Transforms/CodeGenPrepare/X86/memcmp.ll
deleted file mode 100644
index a4f635c956d..00000000000
--- a/llvm/test/Transforms/CodeGenPrepare/X86/memcmp.ll
+++ /dev/null
@@ -1,771 +0,0 @@
-; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt -S -codegenprepare -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 -codegenprepare -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:  loadbb:
-; ALL-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; ALL-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; ALL-NEXT:    [[TMP2:%.*]] = load i16, i16* [[TMP0]]
-; ALL-NEXT:    [[TMP3:%.*]] = load i16, i16* [[TMP1]]
-; ALL-NEXT:    [[TMP4:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP2]])
-; ALL-NEXT:    [[TMP5:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP3]])
-; ALL-NEXT:    [[TMP6:%.*]] = icmp eq i16 [[TMP4]], [[TMP5]]
-; ALL-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; ALL:       res_block:
-; ALL-NEXT:    [[TMP7:%.*]] = icmp ult i16 [[TMP4]], [[TMP5]]
-; ALL-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; ALL-NEXT:    br label [[ENDBLOCK:%.*]]
-; ALL:       loadbb1:
-; ALL-NEXT:    [[TMP9:%.*]] = getelementptr i8, i8* [[X]], i8 2
-; ALL-NEXT:    [[TMP10:%.*]] = getelementptr i8, i8* [[Y]], i8 2
-; ALL-NEXT:    [[TMP11:%.*]] = load i8, i8* [[TMP9]]
-; ALL-NEXT:    [[TMP12:%.*]] = load i8, i8* [[TMP10]]
-; ALL-NEXT:    [[TMP13:%.*]] = zext i8 [[TMP11]] to i32
-; ALL-NEXT:    [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
-; ALL-NEXT:    [[TMP15:%.*]] = sub i32 [[TMP13]], [[TMP14]]
-; ALL-NEXT:    br label [[ENDBLOCK]]
-; ALL:       endblock:
-; ALL-NEXT:    [[PHI_RES:%.*]] = phi i32 [ [[TMP15]], [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; ALL-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT:    [[TMP2:%.*]] = load i32, i32* [[TMP0]]
-; ALL-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP1]]
-; ALL-NEXT:    [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]])
-; ALL-NEXT:    [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
-; ALL-NEXT:    [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]]
-; ALL-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; ALL:       res_block:
-; ALL-NEXT:    [[TMP7:%.*]] = icmp ult i32 [[TMP4]], [[TMP5]]
-; ALL-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; ALL-NEXT:    br label [[ENDBLOCK:%.*]]
-; ALL:       loadbb1:
-; ALL-NEXT:    [[TMP9:%.*]] = getelementptr i8, i8* [[X]], i8 4
-; ALL-NEXT:    [[TMP10:%.*]] = getelementptr i8, i8* [[Y]], i8 4
-; ALL-NEXT:    [[TMP11:%.*]] = load i8, i8* [[TMP9]]
-; ALL-NEXT:    [[TMP12:%.*]] = load i8, i8* [[TMP10]]
-; ALL-NEXT:    [[TMP13:%.*]] = zext i8 [[TMP11]] to i32
-; ALL-NEXT:    [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
-; ALL-NEXT:    [[TMP15:%.*]] = sub i32 [[TMP13]], [[TMP14]]
-; ALL-NEXT:    br label [[ENDBLOCK]]
-; ALL:       endblock:
-; ALL-NEXT:    [[PHI_RES:%.*]] = phi i32 [ [[TMP15]], [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; ALL-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT:    [[TMP2:%.*]] = load i32, i32* [[TMP0]]
-; ALL-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP1]]
-; ALL-NEXT:    [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]])
-; ALL-NEXT:    [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
-; ALL-NEXT:    [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]]
-; ALL-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; ALL:       res_block:
-; ALL-NEXT:    [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
-; ALL-NEXT:    [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ]
-; ALL-NEXT:    [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
-; ALL-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; ALL-NEXT:    br label [[ENDBLOCK:%.*]]
-; ALL:       loadbb1:
-; ALL-NEXT:    [[TMP9:%.*]] = bitcast i8* [[X]] to i16*
-; ALL-NEXT:    [[TMP10:%.*]] = bitcast i8* [[Y]] to i16*
-; ALL-NEXT:    [[TMP11:%.*]] = getelementptr i16, i16* [[TMP9]], i16 2
-; ALL-NEXT:    [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 2
-; ALL-NEXT:    [[TMP13:%.*]] = load i16, i16* [[TMP11]]
-; ALL-NEXT:    [[TMP14:%.*]] = load i16, i16* [[TMP12]]
-; ALL-NEXT:    [[TMP15:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP13]])
-; ALL-NEXT:    [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
-; ALL-NEXT:    [[TMP17]] = zext i16 [[TMP15]] to i32
-; ALL-NEXT:    [[TMP18]] = zext i16 [[TMP16]] to i32
-; ALL-NEXT:    [[TMP19:%.*]] = icmp eq i32 [[TMP17]], [[TMP18]]
-; ALL-NEXT:    br i1 [[TMP19]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; ALL:       endblock:
-; ALL-NEXT:    [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; X32-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT:    [[TMP2:%.*]] = load i32, i32* [[TMP0]]
-; X32-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP1]]
-; X32-NEXT:    [[TMP4:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP2]])
-; X32-NEXT:    [[TMP5:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP3]])
-; X32-NEXT:    [[TMP6:%.*]] = icmp eq i32 [[TMP4]], [[TMP5]]
-; X32-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; X32:       res_block:
-; X32-NEXT:    [[PHI_SRC1:%.*]] = phi i32 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ]
-; X32-NEXT:    [[PHI_SRC2:%.*]] = phi i32 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ]
-; X32-NEXT:    [[TMP7:%.*]] = icmp ult i32 [[PHI_SRC1]], [[PHI_SRC2]]
-; X32-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; X32-NEXT:    br label [[ENDBLOCK:%.*]]
-; X32:       loadbb1:
-; X32-NEXT:    [[TMP9:%.*]] = bitcast i8* [[X]] to i32*
-; X32-NEXT:    [[TMP10:%.*]] = bitcast i8* [[Y]] to i32*
-; X32-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 1
-; X32-NEXT:    [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 1
-; X32-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP11]]
-; X32-NEXT:    [[TMP14:%.*]] = load i32, i32* [[TMP12]]
-; X32-NEXT:    [[TMP15]] = call i32 @llvm.bswap.i32(i32 [[TMP13]])
-; X32-NEXT:    [[TMP16]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
-; X32-NEXT:    [[TMP17:%.*]] = icmp eq i32 [[TMP15]], [[TMP16]]
-; X32-NEXT:    br i1 [[TMP17]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; X32:       endblock:
-; X32-NEXT:    [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]])
-; X64-NEXT:    [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]])
-; X64-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]]
-; X64-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; X64:       res_block:
-; X64-NEXT:    [[TMP7:%.*]] = icmp ult i64 [[TMP4]], [[TMP5]]
-; X64-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP9:%.*]] = getelementptr i8, i8* [[X]], i8 8
-; X64-NEXT:    [[TMP10:%.*]] = getelementptr i8, i8* [[Y]], i8 8
-; X64-NEXT:    [[TMP11:%.*]] = load i8, i8* [[TMP9]]
-; X64-NEXT:    [[TMP12:%.*]] = load i8, i8* [[TMP10]]
-; X64-NEXT:    [[TMP13:%.*]] = zext i8 [[TMP11]] to i32
-; X64-NEXT:    [[TMP14:%.*]] = zext i8 [[TMP12]] to i32
-; X64-NEXT:    [[TMP15:%.*]] = sub i32 [[TMP13]], [[TMP14]]
-; X64-NEXT:    br label [[ENDBLOCK]]
-; X64:       endblock:
-; X64-NEXT:    [[PHI_RES:%.*]] = phi i32 [ [[TMP15]], [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]])
-; X64-NEXT:    [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]])
-; X64-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]]
-; X64-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; X64:       res_block:
-; X64-NEXT:    [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
-; X64-NEXT:    [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ]
-; X64-NEXT:    [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
-; X64-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP9:%.*]] = bitcast i8* [[X]] to i16*
-; X64-NEXT:    [[TMP10:%.*]] = bitcast i8* [[Y]] to i16*
-; X64-NEXT:    [[TMP11:%.*]] = getelementptr i16, i16* [[TMP9]], i16 4
-; X64-NEXT:    [[TMP12:%.*]] = getelementptr i16, i16* [[TMP10]], i16 4
-; X64-NEXT:    [[TMP13:%.*]] = load i16, i16* [[TMP11]]
-; X64-NEXT:    [[TMP14:%.*]] = load i16, i16* [[TMP12]]
-; X64-NEXT:    [[TMP15:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP13]])
-; X64-NEXT:    [[TMP16:%.*]] = call i16 @llvm.bswap.i16(i16 [[TMP14]])
-; X64-NEXT:    [[TMP17]] = zext i16 [[TMP15]] to i64
-; X64-NEXT:    [[TMP18]] = zext i16 [[TMP16]] to i64
-; X64-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]]
-; X64-NEXT:    br i1 [[TMP19]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; X64:       endblock:
-; X64-NEXT:    [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]])
-; X64-NEXT:    [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]])
-; X64-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]]
-; X64-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; X64:       res_block:
-; X64-NEXT:    [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP17:%.*]], [[LOADBB1]] ]
-; X64-NEXT:    [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP18:%.*]], [[LOADBB1]] ]
-; X64-NEXT:    [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
-; X64-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP9:%.*]] = bitcast i8* [[X]] to i32*
-; X64-NEXT:    [[TMP10:%.*]] = bitcast i8* [[Y]] to i32*
-; X64-NEXT:    [[TMP11:%.*]] = getelementptr i32, i32* [[TMP9]], i32 2
-; X64-NEXT:    [[TMP12:%.*]] = getelementptr i32, i32* [[TMP10]], i32 2
-; X64-NEXT:    [[TMP13:%.*]] = load i32, i32* [[TMP11]]
-; X64-NEXT:    [[TMP14:%.*]] = load i32, i32* [[TMP12]]
-; X64-NEXT:    [[TMP15:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP13]])
-; X64-NEXT:    [[TMP16:%.*]] = call i32 @llvm.bswap.i32(i32 [[TMP14]])
-; X64-NEXT:    [[TMP17]] = zext i32 [[TMP15]] to i64
-; X64-NEXT:    [[TMP18]] = zext i32 [[TMP16]] to i64
-; X64-NEXT:    [[TMP19:%.*]] = icmp eq i64 [[TMP17]], [[TMP18]]
-; X64-NEXT:    br i1 [[TMP19]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; X64:       endblock:
-; X64-NEXT:    [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP2]])
-; X64-NEXT:    [[TMP5:%.*]] = call i64 @llvm.bswap.i64(i64 [[TMP3]])
-; X64-NEXT:    [[TMP6:%.*]] = icmp eq i64 [[TMP4]], [[TMP5]]
-; X64-NEXT:    br i1 [[TMP6]], label [[LOADBB1:%.*]], label [[RES_BLOCK:%.*]]
-; X64:       res_block:
-; X64-NEXT:    [[PHI_SRC1:%.*]] = phi i64 [ [[TMP4]], [[LOADBB:%.*]] ], [ [[TMP15:%.*]], [[LOADBB1]] ]
-; X64-NEXT:    [[PHI_SRC2:%.*]] = phi i64 [ [[TMP5]], [[LOADBB]] ], [ [[TMP16:%.*]], [[LOADBB1]] ]
-; X64-NEXT:    [[TMP7:%.*]] = icmp ult i64 [[PHI_SRC1]], [[PHI_SRC2]]
-; X64-NEXT:    [[TMP8:%.*]] = select i1 [[TMP7]], i32 -1, i32 1
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP9:%.*]] = bitcast i8* [[X]] to i64*
-; X64-NEXT:    [[TMP10:%.*]] = bitcast i8* [[Y]] to i64*
-; X64-NEXT:    [[TMP11:%.*]] = getelementptr i64, i64* [[TMP9]], i64 1
-; X64-NEXT:    [[TMP12:%.*]] = getelementptr i64, i64* [[TMP10]], i64 1
-; X64-NEXT:    [[TMP13:%.*]] = load i64, i64* [[TMP11]]
-; X64-NEXT:    [[TMP14:%.*]] = load i64, i64* [[TMP12]]
-; X64-NEXT:    [[TMP15]] = call i64 @llvm.bswap.i64(i64 [[TMP13]])
-; X64-NEXT:    [[TMP16]] = call i64 @llvm.bswap.i64(i64 [[TMP14]])
-; X64-NEXT:    [[TMP17:%.*]] = icmp eq i64 [[TMP15]], [[TMP16]]
-; X64-NEXT:    br i1 [[TMP17]], label [[ENDBLOCK]], label [[RES_BLOCK]]
-; X64:       endblock:
-; X64-NEXT:    [[PHI_RES:%.*]] = phi i32 [ 0, [[LOADBB1]] ], [ [[TMP8]], [[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:  loadbb:
-; ALL-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i16*
-; ALL-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i16*
-; ALL-NEXT:    [[TMP2:%.*]] = load i16, i16* [[TMP0]]
-; ALL-NEXT:    [[TMP3:%.*]] = load i16, i16* [[TMP1]]
-; ALL-NEXT:    [[TMP4:%.*]] = icmp ne i16 [[TMP2]], [[TMP3]]
-; ALL-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; ALL:       res_block:
-; ALL-NEXT:    br label [[ENDBLOCK:%.*]]
-; ALL:       loadbb1:
-; ALL-NEXT:    [[TMP5:%.*]] = getelementptr i8, i8* [[X]], i8 2
-; ALL-NEXT:    [[TMP6:%.*]] = getelementptr i8, i8* [[Y]], i8 2
-; ALL-NEXT:    [[TMP7:%.*]] = load i8, i8* [[TMP5]]
-; ALL-NEXT:    [[TMP8:%.*]] = load i8, i8* [[TMP6]]
-; ALL-NEXT:    [[TMP9:%.*]] = icmp ne i8 [[TMP7]], [[TMP8]]
-; ALL-NEXT:    br i1 [[TMP9]], 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:  loadbb:
-; ALL-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT:    [[TMP2:%.*]] = load i32, i32* [[TMP0]]
-; ALL-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP1]]
-; ALL-NEXT:    [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]]
-; ALL-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; ALL:       res_block:
-; ALL-NEXT:    br label [[ENDBLOCK:%.*]]
-; ALL:       loadbb1:
-; ALL-NEXT:    [[TMP5:%.*]] = getelementptr i8, i8* [[X]], i8 4
-; ALL-NEXT:    [[TMP6:%.*]] = getelementptr i8, i8* [[Y]], i8 4
-; ALL-NEXT:    [[TMP7:%.*]] = load i8, i8* [[TMP5]]
-; ALL-NEXT:    [[TMP8:%.*]] = load i8, i8* [[TMP6]]
-; ALL-NEXT:    [[TMP9:%.*]] = icmp ne i8 [[TMP7]], [[TMP8]]
-; ALL-NEXT:    br i1 [[TMP9]], 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:  loadbb:
-; ALL-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; ALL-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; ALL-NEXT:    [[TMP2:%.*]] = load i32, i32* [[TMP0]]
-; ALL-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP1]]
-; ALL-NEXT:    [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]]
-; ALL-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; ALL:       res_block:
-; ALL-NEXT:    br label [[ENDBLOCK:%.*]]
-; ALL:       loadbb1:
-; ALL-NEXT:    [[TMP5:%.*]] = bitcast i8* [[X]] to i16*
-; ALL-NEXT:    [[TMP6:%.*]] = bitcast i8* [[Y]] to i16*
-; ALL-NEXT:    [[TMP7:%.*]] = getelementptr i16, i16* [[TMP5]], i16 2
-; ALL-NEXT:    [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 2
-; ALL-NEXT:    [[TMP9:%.*]] = load i16, i16* [[TMP7]]
-; ALL-NEXT:    [[TMP10:%.*]] = load i16, i16* [[TMP8]]
-; ALL-NEXT:    [[TMP11:%.*]] = icmp ne i16 [[TMP9]], [[TMP10]]
-; ALL-NEXT:    br i1 [[TMP11]], 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:  loadbb:
-; X32-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i32*
-; X32-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i32*
-; X32-NEXT:    [[TMP2:%.*]] = load i32, i32* [[TMP0]]
-; X32-NEXT:    [[TMP3:%.*]] = load i32, i32* [[TMP1]]
-; X32-NEXT:    [[TMP4:%.*]] = icmp ne i32 [[TMP2]], [[TMP3]]
-; X32-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; X32:       res_block:
-; X32-NEXT:    br label [[ENDBLOCK:%.*]]
-; X32:       loadbb1:
-; X32-NEXT:    [[TMP5:%.*]] = bitcast i8* [[X]] to i32*
-; X32-NEXT:    [[TMP6:%.*]] = bitcast i8* [[Y]] to i32*
-; X32-NEXT:    [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 1
-; X32-NEXT:    [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 1
-; X32-NEXT:    [[TMP9:%.*]] = load i32, i32* [[TMP7]]
-; X32-NEXT:    [[TMP10:%.*]] = load i32, i32* [[TMP8]]
-; X32-NEXT:    [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]]
-; X32-NEXT:    br i1 [[TMP11]], 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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]]
-; X64-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; X64:       res_block:
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP5:%.*]] = getelementptr i8, i8* [[X]], i8 8
-; X64-NEXT:    [[TMP6:%.*]] = getelementptr i8, i8* [[Y]], i8 8
-; X64-NEXT:    [[TMP7:%.*]] = load i8, i8* [[TMP5]]
-; X64-NEXT:    [[TMP8:%.*]] = load i8, i8* [[TMP6]]
-; X64-NEXT:    [[TMP9:%.*]] = icmp ne i8 [[TMP7]], [[TMP8]]
-; X64-NEXT:    br i1 [[TMP9]], 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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]]
-; X64-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; X64:       res_block:
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP5:%.*]] = bitcast i8* [[X]] to i16*
-; X64-NEXT:    [[TMP6:%.*]] = bitcast i8* [[Y]] to i16*
-; X64-NEXT:    [[TMP7:%.*]] = getelementptr i16, i16* [[TMP5]], i16 4
-; X64-NEXT:    [[TMP8:%.*]] = getelementptr i16, i16* [[TMP6]], i16 4
-; X64-NEXT:    [[TMP9:%.*]] = load i16, i16* [[TMP7]]
-; X64-NEXT:    [[TMP10:%.*]] = load i16, i16* [[TMP8]]
-; X64-NEXT:    [[TMP11:%.*]] = icmp ne i16 [[TMP9]], [[TMP10]]
-; X64-NEXT:    br i1 [[TMP11]], 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:  loadbb:
-; X64-NEXT:    [[TMP0:%.*]] = bitcast i8* [[X:%.*]] to i64*
-; X64-NEXT:    [[TMP1:%.*]] = bitcast i8* [[Y:%.*]] to i64*
-; X64-NEXT:    [[TMP2:%.*]] = load i64, i64* [[TMP0]]
-; X64-NEXT:    [[TMP3:%.*]] = load i64, i64* [[TMP1]]
-; X64-NEXT:    [[TMP4:%.*]] = icmp ne i64 [[TMP2]], [[TMP3]]
-; X64-NEXT:    br i1 [[TMP4]], label [[RES_BLOCK:%.*]], label [[LOADBB1:%.*]]
-; X64:       res_block:
-; X64-NEXT:    br label [[ENDBLOCK:%.*]]
-; X64:       loadbb1:
-; X64-NEXT:    [[TMP5:%.*]] = bitcast i8* [[X]] to i32*
-; X64-NEXT:    [[TMP6:%.*]] = bitcast i8* [[Y]] to i32*
-; X64-NEXT:    [[TMP7:%.*]] = getelementptr i32, i32* [[TMP5]], i32 2
-; X64-NEXT:    [[TMP8:%.*]] = getelementptr i32, i32* [[TMP6]], i32 2
-; X64-NEXT:    [[TMP9:%.*]] = load i32, i32* [[TMP7]]
-; X64-NEXT:    [[TMP10:%.*]] = load i32, i32* [[TMP8]]
-; X64-NEXT:    [[TMP11:%.*]] = icmp ne i32 [[TMP9]], [[TMP10]]
-; X64-NEXT:    br i1 [[TMP11]], 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
-}
-