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| author | Tom Stellard <thomas.stellard@amd.com> | 2013-11-18 18:50:20 +0000 |
|---|---|---|
| committer | Tom Stellard <thomas.stellard@amd.com> | 2013-11-18 18:50:20 +0000 |
| commit | 204c953cd59415d7ed50b81c64906bf5a0c97455 (patch) | |
| tree | 2b8cc1e70229bf1d7290795ab1db5f7137e70319 /test/CodeGen/R600 | |
| parent | bf9ddd5e8ff207e9b9a1cd484242e8d460f3834e (diff) | |
| download | external_llvm-204c953cd59415d7ed50b81c64906bf5a0c97455.zip external_llvm-204c953cd59415d7ed50b81c64906bf5a0c97455.tar.gz external_llvm-204c953cd59415d7ed50b81c64906bf5a0c97455.tar.bz2 | |
R600/SI: Fix illegal VGPR->SGPR copy inside of loop
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@195026 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/CodeGen/R600')
| -rw-r--r-- | test/CodeGen/R600/sgpr-copy.ll | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/test/CodeGen/R600/sgpr-copy.ll b/test/CodeGen/R600/sgpr-copy.ll index 5ec1a08..5472c1b 100644 --- a/test/CodeGen/R600/sgpr-copy.ll +++ b/test/CodeGen/R600/sgpr-copy.ll @@ -294,3 +294,34 @@ endif: store float %6, float addrspace(1)* %out ret void } + +; This test is just checking that we don't crash / assertion fail. +; CHECK-LABEL: @copy2 +; CHECK: S_ENDPGM + +define void @copy2([17 x <16 x i8>] addrspace(2)* byval, [32 x <16 x i8>] addrspace(2)* byval, [16 x <32 x i8>] addrspace(2)* byval, float inreg, i32 inreg, <2 x i32>, <2 x i32>, <2 x i32>, <3 x i32>, <2 x i32>, <2 x i32>, <2 x i32>, float, float, float, float, float, float, float, float, float) #0 { +entry: + br label %LOOP68 + +LOOP68: + %temp4.7 = phi float [ 0.000000e+00, %entry ], [ %v, %ENDIF69 ] + %t = phi i32 [ 20, %entry ], [ %x, %ENDIF69 ] + %g = icmp eq i32 0, %t + %l = bitcast float %temp4.7 to i32 + br i1 %g, label %IF70, label %ENDIF69 + +IF70: + %q = icmp ne i32 %l, 13 + %temp.8 = select i1 %q, float 1.000000e+00, float 0.000000e+00 + call void @llvm.SI.export(i32 15, i32 1, i32 1, i32 0, i32 0, float %temp.8, float 0.000000e+00, float 0.000000e+00, float 1.000000e+00) + ret void + +ENDIF69: + %u = add i32 %l, %t + %v = bitcast i32 %u to float + %x = add i32 %t, -1 + br label %LOOP68 +} + +attributes #0 = { "ShaderType"="0" } + |