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| author | Sanjay Patel <spatel@rotateright.com> | 2017-08-10 14:51:42 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-08-10 14:51:42 +0000 |
| commit | 8dfe8e21e82dd907f079fc47d73c6dfc4afeb5d6 (patch) | |
| tree | 9dfc197058f7a37e59327f0a52cd6105e919e511 /llvm/test/Transforms/InstCombine/memcpy.ll | |
| parent | 47bf15c34f8e1fd10a36979b5d41e3b00095ff10 (diff) | |
| download | bcm5719-llvm-8dfe8e21e82dd907f079fc47d73c6dfc4afeb5d6.tar.gz bcm5719-llvm-8dfe8e21e82dd907f079fc47d73c6dfc4afeb5d6.zip | |
[InstCombine] regenerate test checks, add comments; NFC
llvm-svn: 310598
Diffstat (limited to 'llvm/test/Transforms/InstCombine/memcpy.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/memcpy.ll | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/llvm/test/Transforms/InstCombine/memcpy.ll b/llvm/test/Transforms/InstCombine/memcpy.ll index f66e14c95af..8cf640ae5d8 100644 --- a/llvm/test/Transforms/InstCombine/memcpy.ll +++ b/llvm/test/Transforms/InstCombine/memcpy.ll @@ -3,25 +3,35 @@ declare void @llvm.memcpy.p0i8.p0i8.i32(i8* nocapture, i8* nocapture, i32, i32, i1) nounwind declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture, i64, i32, i1) nounwind +; Same src/dest. + define void @test1(i8* %a) { - tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false) - ret void -; CHECK-LABEL: define void @test1( -; CHECK-NEXT: ret void +; CHECK-LABEL: @test1( +; CHECK-NEXT: ret void +; + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 false) + ret void } +; PR8267 - same src/dest, but volatile. -; PR8267 define void @test2(i8* %a) { - tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true) - ret void -; CHECK-LABEL: define void @test2( -; CHECK-NEXT: call void @llvm.memcpy +; CHECK-LABEL: @test2( +; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true) +; CHECK-NEXT: ret void +; + tail call void @llvm.memcpy.p0i8.p0i8.i32(i8* %a, i8* %a, i32 100, i32 1, i1 true) + ret void } +; 17179869184 == 0x400000000 - make sure that doesn't get truncated to 32-bit. + define void @test3(i8* %d, i8* %s) { - tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 17179869184, i32 4, i1 false) - ret void -; CHECK-LABEL: define void @test3( -; CHECK-NEXT: call void @llvm.memcpy +; CHECK-LABEL: @test3( +; CHECK-NEXT: tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 17179869184, i32 4, i1 false) +; CHECK-NEXT: ret void +; + tail call void @llvm.memcpy.p0i8.p0i8.i64(i8* %d, i8* %s, i64 17179869184, i32 4, i1 false) + ret void } + |
