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llvm-mirror/test/Transforms/InferAddressSpaces/AMDGPU/no-flat-addrspace.ll
Matt Arsenault 552bf58679 AMDGPU: Ignore subtarget for InferAddressSpaces
Even if the target doesn't have flat instructions, addrspace(0) is
still flat. It just happens to not work.

llvm-svn: 363561
2019-06-17 14:13:24 +00:00

14 lines
534 B
LLVM

; RUN: opt -S -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -infer-address-spaces %s | FileCheck %s
; Make sure addrspace(0) is still treated as flat on targets without
; flat instructions. It's still flat, it just doesn't work.
; CHECK-LABEL: @load_flat_from_global(
; CHECK-NEXT: %tmp1 = load float, float addrspace(1)* %ptr
; CHECK-NEXT: ret float %tmp1
define float @load_flat_from_global(float addrspace(1)*%ptr) #0 {
%tmp0 = addrspacecast float addrspace(1)* %ptr to float*
%tmp1 = load float, float* %tmp0
ret float %tmp1
}