diff options
Diffstat (limited to 'test/Transforms/InstCombine/cast2.ll')
| -rw-r--r-- | test/Transforms/InstCombine/cast2.ll | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/test/Transforms/InstCombine/cast2.ll b/test/Transforms/InstCombine/cast2.ll index 5cc9087198b27..0ae869fa49384 100644 --- a/test/Transforms/InstCombine/cast2.ll +++ b/test/Transforms/InstCombine/cast2.ll @@ -1,5 +1,5 @@ ; Tests to make sure elimination of casts is working correctly -; RUN: llvm-as < %s | opt -instcombine | llvm-dis | notcast +; RUN: opt < %s -instcombine -S | FileCheck %s define i16 @test1(i16 %a) { %tmp = zext i16 %a to i32 ; <i32> [#uses=2] @@ -8,6 +8,8 @@ define i16 @test1(i16 %a) { %tmp.upgrd.32 = or i32 %tmp21, %tmp5 ; <i32> [#uses=1] %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 ; <i16> [#uses=1] ret i16 %tmp.upgrd.3 +; CHECK: %tmp.upgrd.32 = call i16 @llvm.bswap.i16(i16 %a) +; CHECK: ret i16 %tmp.upgrd.32 } define i16 @test2(i16 %a) { @@ -17,6 +19,10 @@ define i16 @test2(i16 %a) { %tmp.upgrd.32 = or i32 %tmp21, %tmp5 ; <i32> [#uses=1] %tmp.upgrd.3 = trunc i32 %tmp.upgrd.32 to i16 ; <i16> [#uses=1] ret i16 %tmp.upgrd.3 +; CHECK: %tmp21 = lshr i16 %a, 9 +; CHECK: %tmp5 = shl i16 %a, 8 +; CHECK: %tmp.upgrd.32 = or i16 %tmp21, %tmp5 +; CHECK: ret i16 %tmp.upgrd.32 } ; PR1263 @@ -24,6 +30,7 @@ define i32* @test3(i32* %tmp1) { %tmp64 = bitcast i32* %tmp1 to { i32 }* ; <{ i32 }*> [#uses=1] %tmp65 = getelementptr { i32 }* %tmp64, i32 0, i32 0 ; <i32*> [#uses=1] ret i32* %tmp65 +; CHECK: ret i32* %tmp1 } |