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llvm-mirror/test/CodeGen/AMDGPU/copy-to-reg.ll
Matt Arsenault 81a9bfe915 Enable FeatureFlatForGlobal on Volcanic Islands
This switches to the workaround that HSA defaults to
for the mesa path.

This should be applied to the 4.0 branch.

Patch by Vedran Miletić <vedran@miletic.net>

llvm-svn: 292982
2017-01-24 22:02:15 +00:00

28 lines
912 B
LLVM

; RUN: llc -march=amdgcn -mattr=-promote-alloca -verify-machineinstrs < %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -mattr=-promote-alloca -verify-machineinstrs < %s
; Test that CopyToReg instructions don't have non-register operands prior
; to being emitted.
; Make sure this doesn't crash
; CHECK-LABEL: {{^}}copy_to_reg_frameindex:
define void @copy_to_reg_frameindex(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) {
entry:
%alloca = alloca [16 x i32]
br label %loop
loop:
%inc = phi i32 [0, %entry], [%inc.i, %loop]
%ptr = getelementptr [16 x i32], [16 x i32]* %alloca, i32 0, i32 %inc
store i32 %inc, i32* %ptr
%inc.i = add i32 %inc, 1
%cnd = icmp uge i32 %inc.i, 16
br i1 %cnd, label %done, label %loop
done:
%tmp0 = getelementptr [16 x i32], [16 x i32]* %alloca, i32 0, i32 0
%tmp1 = load i32, i32* %tmp0
store i32 %tmp1, i32 addrspace(1)* %out
ret void
}