diff options
Diffstat (limited to 'test/opt/dead_branch_elim_test.cpp')
| -rw-r--r-- | test/opt/dead_branch_elim_test.cpp | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/test/opt/dead_branch_elim_test.cpp b/test/opt/dead_branch_elim_test.cpp index f89befb4..b04c8f5e 100644 --- a/test/opt/dead_branch_elim_test.cpp +++ b/test/opt/dead_branch_elim_test.cpp @@ -1613,7 +1613,7 @@ OpBranch %7 %11 = OpLogicalOr %bool %true %false OpBranch %7 %7 = OpLabel -; This phi is in a block preceeding the merge %14! +; This phi is in a block preceding the merge %14! %8 = OpPhi %bool %10 %5 %11 %6 OpBranch %14 %14 = OpLabel @@ -3403,6 +3403,71 @@ OpFunctionEnd SinglePassRunAndMatch<DeadBranchElimPass>(text, true); } +TEST_F(DeadBranchElimTest, DontTransferDecorations) { + // When replacing %4 with %14, we don't want %14 to inherit %4's decorations. + const std::string text = R"( +; CHECK-NOT: OpDecorate {{%\w+}} RelaxedPrecision +; CHECK: [[div:%\w+]] = OpFDiv +; CHECK: {{%\w+}} = OpCopyObject %float [[div]] + OpCapability Shader + %1 = OpExtInstImport "GLSL.std.450" + OpMemoryModel Logical GLSL450 + OpEntryPoint Fragment %2 "main" + OpExecutionMode %2 OriginUpperLeft + %3 = OpString "STEVEN" + OpDecorate %4 RelaxedPrecision + %float = OpTypeFloat 32 + %uint = OpTypeInt 32 0 + %void = OpTypeVoid + %float_1 = OpConstant %float 1 + %uint_0 = OpConstant %uint 0 + %10 = OpTypeFunction %void + %2 = OpFunction %void None %10 + %11 = OpLabel + OpSelectionMerge %12 None + OpSwitch %uint_0 %13 + %13 = OpLabel + %14 = OpFDiv %float %float_1 %float_1 + OpLine %3 0 0 + OpBranch %12 + %15 = OpLabel + OpBranch %12 + %12 = OpLabel + %4 = OpPhi %float %float_1 %15 %14 %13 + %16 = OpCopyObject %float %4 + OpReturn + OpFunctionEnd +)"; + + SinglePassRunAndMatch<DeadBranchElimPass>(text, true); +} + +TEST_F(DeadBranchElimTest, FunctionDeclaration) { + // Make sure the pass works with a function declaration that is called. + const std::string text = R"(OpCapability Addresses +OpCapability Linkage +OpCapability Kernel +OpCapability Int8 +%1 = OpExtInstImport "OpenCL.std" +OpMemoryModel Physical64 OpenCL +OpEntryPoint Kernel %2 "_Z23julia__1166_kernel_77094Bool" +OpExecutionMode %2 ContractionOff +OpSource Unknown 0 +OpDecorate %3 LinkageAttributes "julia_error_7712" Import +%void = OpTypeVoid +%5 = OpTypeFunction %void +%3 = OpFunction %void None %5 +OpFunctionEnd +%2 = OpFunction %void None %5 +%6 = OpLabel +%7 = OpFunctionCall %void %3 +OpReturn +OpFunctionEnd +)"; + + SinglePassRunAndCheck<DeadBranchElimPass>(text, text, false); +} + // TODO(greg-lunarg): Add tests to verify handling of these cases: // // More complex control flow |