Mercurial > hg > CbC > CbC_llvm
diff test/CodeGen/AMDGPU/vtx-fetch-branch.ll @ 95:afa8332a0e37 LLVM3.8
LLVM 3.8
author | Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp> |
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date | Tue, 13 Oct 2015 17:48:58 +0900 |
parents | |
children | 803732b1fca8 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/CodeGen/AMDGPU/vtx-fetch-branch.ll Tue Oct 13 17:48:58 2015 +0900 @@ -0,0 +1,29 @@ +; 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 +}