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-rw-r--r--lib/Transforms/Scalar/SimplifyLibCalls.cpp4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/SimplifyLibCalls.cpp b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
index f110320c1b..3904419012 100644
--- a/lib/Transforms/Scalar/SimplifyLibCalls.cpp
+++ b/lib/Transforms/Scalar/SimplifyLibCalls.cpp
@@ -1641,6 +1641,8 @@ void SimplifyLibCalls::InitOptimizations() {
Optimizations["llvm.exp2.f64"] = &Exp2;
Optimizations["llvm.exp2.f32"] = &Exp2;
+ if (TLI->has(LibFunc::fabs) && TLI->has(LibFunc::fabsf))
+ Optimizations["fabs"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::floor) && TLI->has(LibFunc::floorf))
Optimizations["floor"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::ceil) && TLI->has(LibFunc::ceilf))
@@ -1651,6 +1653,8 @@ void SimplifyLibCalls::InitOptimizations() {
Optimizations["rint"] = &UnaryDoubleFP;
if (TLI->has(LibFunc::nearbyint) && TLI->has(LibFunc::nearbyintf))
Optimizations["nearbyint"] = &UnaryDoubleFP;
+ if (TLI->has(LibFunc::trunc) && TLI->has(LibFunc::truncf))
+ Optimizations["trunc"] = &UnaryDoubleFP;
// Integer Optimizations
Optimizations["ffs"] = &FFS;