diff options
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 4 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/log-pow.ll | 10 |
2 files changed, 11 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp index beb0d307c26..361b559ac02 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -1915,9 +1915,7 @@ Value *LibCallSimplifier::optimizeLog(CallInst *Log, IRBuilder<> &B) { IRBuilder<>::FastMathFlagGuard Guard(B); B.setFastMathFlags(FastMathFlags::getFast()); - Function *ArgFn = Arg->getCalledFunction(); - Intrinsic::ID ArgID = - ArgFn ? ArgFn->getIntrinsicID() : Intrinsic::not_intrinsic; + Intrinsic::ID ArgID = Arg->getIntrinsicID(); LibFunc ArgLb = NotLibFunc; TLI->getLibFunc(Arg, ArgLb); diff --git a/llvm/test/Transforms/InstCombine/log-pow.ll b/llvm/test/Transforms/InstCombine/log-pow.ll index b7085e955ef..227fcf0c3fa 100644 --- a/llvm/test/Transforms/InstCombine/log-pow.ll +++ b/llvm/test/Transforms/InstCombine/log-pow.ll @@ -97,8 +97,18 @@ define double @log_exp2_not_fast(double %x) { ret double %log } +define double @pr43617(double %d, i32 %i, double (i32)* %f) { +entry: + %sub = fsub double -0.000000e+00, %d + %icall = tail call fast double %f(i32 %i) + %log = tail call fast double @llvm.log.f64(double %icall) + %mul = fmul double %log, %sub + ret double %mul +} + declare double @log(double) #0 declare float @logf(float) #0 +declare double @llvm.log.f64(double) #0 declare <2 x float> @llvm.log.v2f32(<2 x float>) declare float @log2f(float) #0 declare <2 x double> @llvm.log2.v2f64(<2 x double>) |
