diff options
Diffstat (limited to 'llvm/test')
| -rw-r--r-- | llvm/test/Transforms/InstCombine/non-integral-pointers.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/llvm/test/Transforms/InstCombine/non-integral-pointers.ll b/llvm/test/Transforms/InstCombine/non-integral-pointers.ll index d5e2569179b..4f54fe6737d 100644 --- a/llvm/test/Transforms/InstCombine/non-integral-pointers.ll +++ b/llvm/test/Transforms/InstCombine/non-integral-pointers.ll @@ -18,3 +18,31 @@ define i8 addrspace(3)* @f_1() { %result = getelementptr i8, i8 addrspace(3)* null, i64 50 ret i8 addrspace(3)* %result } + +define void @f_2(i8 addrspace(4)** %ptr0, i8 addrspace(4)** %ptr1) { +; It is not okay to convert the load/store pair to load and store +; integers, since pointers in address space 4 are non-integral. + +; CHECK-LABEL: @f_2( +entry: +; CHECK: %val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0, align 8 +; CHECK: store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1, align 8 +; CHECK-NOT: load i64 +; CHECK-NOT: store i64 + %val = load i8 addrspace(4)*, i8 addrspace(4)** %ptr0 + store i8 addrspace(4)* %val, i8 addrspace(4)** %ptr1 + ret void +} + +define void @f_3(i8 addrspace(3)** %ptr0, i8 addrspace(3)** %ptr1) { +; It *is* okay to convert the load/store pair to load and store +; integers, since pointers in address space 3 are integral. + +; CHECK-LABEL: @f_3( +entry: +; CHECK: load i64 +; CHECK: store i64 + %val = load i8 addrspace(3)*, i8 addrspace(3)** %ptr0 + store i8 addrspace(3)* %val, i8 addrspace(3)** %ptr1 + ret void +} |
