llvm/test/CodeGen/AMDGPU/vtx-fetch-branch.ll
Tom Stellard 953c681473 R600 -> AMDGPU rename
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@239657 91177308-0d34-0410-b5e6-96231b3b80d8
2015-06-13 03:28:10 +00:00

30 lines
742 B
LLVM

; RUN: llc -march=r600 -mcpu=redwood %s -o - | FileCheck %s
; This tests for a bug where vertex fetch clauses right before an ENDIF
; instruction where being emitted after the ENDIF. We were using ALU_POP_AFTER
; for the ALU clause before the vetex fetch instead of emitting a POP instruction
; after the fetch clause.
; CHECK-LABEL: {{^}}test:
; CHECK-NOT: ALU_POP_AFTER
; CHECK: TEX
; CHECK-NEXT: POP
define void @test(i32 addrspace(1)* %out, i32 addrspace(1)* %in, i32 %cond) {
entry:
%0 = icmp eq i32 %cond, 0
br i1 %0, label %endif, label %if
if:
%1 = load i32, i32 addrspace(1)* %in
br label %endif
endif:
%x = phi i32 [ %1, %if], [ 0, %entry]
store i32 %x, i32 addrspace(1)* %out
br label %done
done:
ret void
}