diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/add-shrink.ll | 14 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/sitofp.ll | 10 |
2 files changed, 24 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/add-shrink.ll b/llvm/test/Transforms/InstCombine/add-shrink.ll new file mode 100644 index 00000000000..6dc02f361c9 --- /dev/null +++ b/llvm/test/Transforms/InstCombine/add-shrink.ll @@ -0,0 +1,14 @@ +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep {add i32} +; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep sext | count 1 + +; Should only have one sext and the add should be i32 instead of i64. + +define i64 @test1(i32 %A) { + %B = ashr i32 %A, 7 ; <i32> [#uses=1] + %C = ashr i32 %A, 9 ; <i32> [#uses=1] + %D = sext i32 %B to i64 ; <i64> [#uses=1] + %E = sext i32 %C to i64 ; <i64> [#uses=1] + %F = add i64 %D, %E ; <i64> [#uses=1] + ret i64 %F +} + diff --git a/llvm/test/Transforms/InstCombine/sitofp.ll b/llvm/test/Transforms/InstCombine/sitofp.ll index f7b1c915659..73dd23bc434 100644 --- a/llvm/test/Transforms/InstCombine/sitofp.ll +++ b/llvm/test/Transforms/InstCombine/sitofp.ll @@ -31,3 +31,13 @@ define i32 @test5(i32 %A) { ret i32 %E } +define i32 @test6(i32 %A) { + %B = and i32 %A, 7 ; <i32> [#uses=1] + %C = and i32 %A, 32 ; <i32> [#uses=1] + %D = sitofp i32 %B to double ; <double> [#uses=1] + %E = sitofp i32 %C to double ; <double> [#uses=1] + %F = add double %D, %E ; <double> [#uses=1] + %G = fptosi double %F to i32 ; <i32> [#uses=1] + ret i32 %G +} + |
