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| author | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2012-08-15 19:34:23 +0000 |
| commit | 721c201bd55ffb73cb2ba8d39e0570fa38c44e15 (patch) | |
| tree | eacfc83d988e4b9d11114387ae7dc41243f2a363 /test/Transforms/InstCombine/apint-shift.ll | |
| parent | 2b2816e083a455f7a656ae88b0fd059d1688bb36 (diff) | |
| download | FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.zip FreeBSD-src-721c201bd55ffb73cb2ba8d39e0570fa38c44e15.tar.gz | |
Vendor import of llvm trunk r161861:
http://llvm.org/svn/llvm-project/llvm/trunk@161861
Diffstat (limited to 'test/Transforms/InstCombine/apint-shift.ll')
| -rw-r--r-- | test/Transforms/InstCombine/apint-shift.ll | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/test/Transforms/InstCombine/apint-shift.ll b/test/Transforms/InstCombine/apint-shift.ll index 0ea73a0..73f630e 100644 --- a/test/Transforms/InstCombine/apint-shift.ll +++ b/test/Transforms/InstCombine/apint-shift.ll @@ -47,13 +47,21 @@ define i32 @test5a(i32 %A) { } ; CHECK: @test6 -; CHECK-NOT: sh +; CHECK: mul i55 %A, 6 define i55 @test6(i55 %A) { %B = shl i55 %A, 1 ; <i55> [#uses=1] %C = mul i55 %B, 3 ; <i55> [#uses=1] ret i55 %C } +; CHECK: @test6a +; CHECK: mul i55 %A, 6 +define i55 @test6a(i55 %A) { + %B = mul i55 %A, 3 ; <i55> [#uses=1] + %C = shl i55 %B, 1 ; <i55> [#uses=1] + ret i55 %C +} + ; CHECK: @test7 ; CHECK-NOT: sh define i29 @test7(i8 %X) { @@ -87,7 +95,8 @@ define i19 @test10(i19 %A) { } ; CHECK: @test11 -; CHECK-NOT: sh +; Don't hide the shl from scalar evolution. DAGCombine will get it. +; CHECK: shl define i23 @test11(i23 %A) { %a = mul i23 %A, 3 ; <i23> [#uses=1] %B = lshr i23 %a, 11 ; <i23> [#uses=1] @@ -104,7 +113,8 @@ define i47 @test12(i47 %A) { } ; CHECK: @test13 -; CHECK-NOT: sh +; Don't hide the shl from scalar evolution. DAGCombine will get it. +; CHECK: shl define i18 @test13(i18 %A) { %a = mul i18 %A, 3 ; <i18> [#uses=1] %B = ashr i18 %a, 8 ; <i18> [#uses=1] |
