diff options
Diffstat (limited to 'llvm/test/Transforms/InstCombine/gep-custom-dl.ll')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/gep-custom-dl.ll | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/gep-custom-dl.ll b/llvm/test/Transforms/InstCombine/gep-custom-dl.ll index bcaadf47d11..fdadc80c60e 100644 --- a/llvm/test/Transforms/InstCombine/gep-custom-dl.ll +++ b/llvm/test/Transforms/InstCombine/gep-custom-dl.ll @@ -164,3 +164,22 @@ define i32 @test10() { %B = ptrtoint double* %A to i32 ret i32 %B } + +@X_as1 = addrspace(1) global [1000 x i8] zeroinitializer, align 16 + +define i16 @constant_fold_custom_dl() { +; CHECK-LABEL: @constant_fold_custom_dl( + ; CHECK: ret i16 ptrtoint + +entry: + %A = bitcast i8 addrspace(1)* getelementptr inbounds ([1000 x i8], [1000 x i8] addrspace(1)* @X_as1, i64 1, i64 0) to i8 addrspace(1)* + %B = bitcast i8 addrspace(1)* getelementptr inbounds ([1000 x i8], [1000 x i8] addrspace(1)* @X_as1, i64 0, i64 0) to i8 addrspace(1)* + + %B2 = ptrtoint i8 addrspace(1)* %B to i16 + %C = sub i16 0, %B2 + %D = getelementptr i8, i8 addrspace(1)* %A, i16 %C + %E = ptrtoint i8 addrspace(1)* %D to i16 + + ret i16 %E +} + |
