aboutsummaryrefslogtreecommitdiff
path: root/llvm/lib/CodeGen/TargetPassConfig.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'llvm/lib/CodeGen/TargetPassConfig.cpp')
-rw-r--r--llvm/lib/CodeGen/TargetPassConfig.cpp9
1 files changed, 8 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp
index ef070ee..3a1a82f 100644
--- a/llvm/lib/CodeGen/TargetPassConfig.cpp
+++ b/llvm/lib/CodeGen/TargetPassConfig.cpp
@@ -218,6 +218,11 @@ static cl::opt<bool> EnableMachineFunctionSplitter(
cl::desc("Split out cold blocks from machine functions based on profile "
"information."));
+/// Disable the expand reductions pass for testing.
+static cl::opt<bool> DisableExpandReductions(
+ "disable-expand-reductions", cl::init(false), cl::Hidden,
+ cl::desc("Disable the expand reduction intrinsics pass from running"));
+
/// Allow standard passes to be disabled by command line options. This supports
/// simple binary flags that either suppress the pass or do nothing.
/// i.e. -disable-mypass=false has no effect.
@@ -708,7 +713,9 @@ void TargetPassConfig::addIRPasses() {
addPass(createScalarizeMaskedMemIntrinPass());
// Expand reduction intrinsics into shuffle sequences if the target wants to.
- addPass(createExpandReductionsPass());
+ // Allow disabling it for testing purposes.
+ if (!DisableExpandReductions)
+ addPass(createExpandReductionsPass());
}
/// Turn exception handling constructs into something the code generators can