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| author | Stephen Hines <srhines@google.com> | 2014-04-23 16:57:46 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2014-04-24 15:53:16 -0700 |
| commit | 36b56886974eae4f9c5ebc96befd3e7bfe5de338 (patch) | |
| tree | e6cfb69fbbd937f450eeb83bfb83b9da3b01275a /test/CodeGen/R600/cayman-loop-bug.ll | |
| parent | 69a8640022b04415ae9fac62f8ab090601d8f889 (diff) | |
| download | external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.zip external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.gz external_llvm-36b56886974eae4f9c5ebc96befd3e7bfe5de338.tar.bz2 | |
Update to LLVM 3.5a.
Change-Id: Ifadecab779f128e62e430c2b4f6ddd84953ed617
Diffstat (limited to 'test/CodeGen/R600/cayman-loop-bug.ll')
| -rw-r--r-- | test/CodeGen/R600/cayman-loop-bug.ll | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/R600/cayman-loop-bug.ll b/test/CodeGen/R600/cayman-loop-bug.ll new file mode 100644 index 0000000..a873528 --- /dev/null +++ b/test/CodeGen/R600/cayman-loop-bug.ll @@ -0,0 +1,32 @@ +; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s + +; CHECK-LABEL: @main +; CHECK: LOOP_START_DX10 +; CHECK: ALU_PUSH_BEFORE +; CHECK: LOOP_START_DX10 +; CHECK: PUSH +; CHECK-NOT: ALU_PUSH_BEFORE +; CHECK: END_LOOP +; CHECK: END_LOOP +define void @main (<4 x float> inreg %reg0) #0 { +entry: + br label %outer_loop +outer_loop: + %cnt = phi i32 [0, %entry], [%cnt_incr, %inner_loop] + %cond = icmp eq i32 %cnt, 16 + br i1 %cond, label %outer_loop_body, label %exit +outer_loop_body: + %cnt_incr = add i32 %cnt, 1 + br label %inner_loop +inner_loop: + %cnt2 = phi i32 [0, %outer_loop_body], [%cnt2_incr, %inner_loop_body] + %cond2 = icmp eq i32 %cnt2, 16 + br i1 %cond, label %inner_loop_body, label %outer_loop +inner_loop_body: + %cnt2_incr = add i32 %cnt2, 1 + br label %inner_loop +exit: + ret void +} + +attributes #0 = { "ShaderType"="0" }
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