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| author | Vincent Lejeune <vljn@ovi.com> | 2013-11-16 16:24:41 +0000 |
|---|---|---|
| committer | Vincent Lejeune <vljn@ovi.com> | 2013-11-16 16:24:41 +0000 |
| commit | 411079785388290738049dd099bff8755e6a2c8d (patch) | |
| tree | e79a958d491354edc7924d409e6b31962f9f063a /test | |
| parent | 0fb32eb56aabb24950bbfecc927596a3fffabcb1 (diff) | |
| download | llvm-411079785388290738049dd099bff8755e6a2c8d.tar.gz llvm-411079785388290738049dd099bff8755e6a2c8d.tar.bz2 llvm-411079785388290738049dd099bff8755e6a2c8d.tar.xz | |
R600: Make dot_4 instructions predicable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@194927 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/predicate-dp4.ll | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/test/CodeGen/R600/predicate-dp4.ll b/test/CodeGen/R600/predicate-dp4.ll new file mode 100644 index 0000000000..e48d6a7aa9 --- /dev/null +++ b/test/CodeGen/R600/predicate-dp4.ll @@ -0,0 +1,27 @@ +;RUN: llc < %s -march=r600 -mcpu=cayman + +; CHECK-LABEL: @main +; CHECK: PRED_SETE_INT * Pred, +; CHECK: DOT4 T{{[0-9]+}}.X, T0.X, T0.X, Pred_sel_one +define void @main(<4 x float> inreg) #0 { +main_body: + %1 = extractelement <4 x float> %0, i32 0 + %2 = bitcast float %1 to i32 + %3 = icmp eq i32 %2, 0 + br i1 %3, label %IF, label %ENDIF + +IF: ; preds = %main_body + %4 = call float @llvm.AMDGPU.dp4(<4 x float> %0, <4 x float> %0) + br label %ENDIF + +ENDIF: ; preds = %IF, %main_body + %5 = phi float [%4, %IF], [0.000000e+00, %main_body] + %6 = insertelement <4 x float> undef, float %5, i32 0 + call void @llvm.R600.store.swizzle(<4 x float> %6, i32 0, i32 0) + ret void +} + +declare float @llvm.AMDGPU.dp4(<4 x float>, <4 x float>) #1 +declare void @llvm.R600.store.swizzle(<4 x float>, i32, i32) +attributes #1 = { readnone } +attributes #0 = { "ShaderType"="0" } |