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Diffstat (limited to 'test/Transforms/SCCP/loadtest.ll')
-rw-r--r-- | test/Transforms/SCCP/loadtest.ll | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/test/Transforms/SCCP/loadtest.ll b/test/Transforms/SCCP/loadtest.ll new file mode 100644 index 000000000000..0cbbdf603661 --- /dev/null +++ b/test/Transforms/SCCP/loadtest.ll @@ -0,0 +1,26 @@ +; This test makes sure that these instructions are properly constant propagated. +; + +; RUN: llvm-as < %s | opt -sccp | llvm-dis | not grep load + + +@X = constant i32 42 ; <i32*> [#uses=1] +@Y = constant [2 x { i32, float }] [ { i32, float } { i32 12, float 1.000000e+00 }, { i32, float } { i32 37, float 0x3FF3B2FEC0000000 } ] ; <[2 x { i32, float }]*> [#uses=2] + +define i32 @test1() { + %B = load i32* @X ; <i32> [#uses=1] + ret i32 %B +} + +define float @test2() { + %A = getelementptr [2 x { i32, float }]* @Y, i64 0, i64 1, i32 1 ; <float*> [#uses=1] + %B = load float* %A ; <float> [#uses=1] + ret float %B +} + +define i32 @test3() { + %A = getelementptr [2 x { i32, float }]* @Y, i64 0, i64 0, i32 0 ; <i32*> [#uses=1] + %B = load i32* %A ; <i32> [#uses=1] + ret i32 %B +} + |