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| author | Stephen Hines <srhines@google.com> | 2013-08-07 15:07:10 -0700 |
|---|---|---|
| committer | Stephen Hines <srhines@google.com> | 2013-08-07 15:07:10 -0700 |
| commit | fab2daa4a1127ecb217abe2b07c1769122b6fee1 (patch) | |
| tree | 268ebfd1963fd98ba412e76819afdf95a7d4267b /lib/Transforms/Utils/SimplifyLibCalls.cpp | |
| parent | 8197ac1c1a0a91baa70c4dea8cb488f254ef974c (diff) | |
| parent | 10251753b6897adcd22cc981c0cc42f348c109de (diff) | |
| download | external_llvm-fab2daa4a1127ecb217abe2b07c1769122b6fee1.zip external_llvm-fab2daa4a1127ecb217abe2b07c1769122b6fee1.tar.gz external_llvm-fab2daa4a1127ecb217abe2b07c1769122b6fee1.tar.bz2 | |
Merge commit '10251753b6897adcd22cc981c0cc42f348c109de' into merge-20130807
Conflicts:
lib/Archive/ArchiveReader.cpp
lib/Support/Unix/PathV2.inc
Change-Id: I29d8c1e321a4a380b6013f00bac6a8e4b593cc4e
Diffstat (limited to 'lib/Transforms/Utils/SimplifyLibCalls.cpp')
| -rw-r--r-- | lib/Transforms/Utils/SimplifyLibCalls.cpp | 52 |
1 files changed, 51 insertions, 1 deletions
diff --git a/lib/Transforms/Utils/SimplifyLibCalls.cpp b/lib/Transforms/Utils/SimplifyLibCalls.cpp index 6bea2dd..094c201 100644 --- a/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -1940,7 +1940,7 @@ LibCallSimplifier::~LibCallSimplifier() { } Value *LibCallSimplifier::optimizeCall(CallInst *CI) { - if (CI->hasFnAttr(Attribute::NoBuiltin)) return 0; + if (CI->isNoBuiltin()) return 0; return Impl->optimizeCall(CI); } @@ -1950,3 +1950,53 @@ void LibCallSimplifier::replaceAllUsesWith(Instruction *I, Value *With) const { } } + +// TODO: +// Additional cases that we need to add to this file: +// +// cbrt: +// * cbrt(expN(X)) -> expN(x/3) +// * cbrt(sqrt(x)) -> pow(x,1/6) +// * cbrt(sqrt(x)) -> pow(x,1/9) +// +// exp, expf, expl: +// * exp(log(x)) -> x +// +// log, logf, logl: +// * log(exp(x)) -> x +// * log(x**y) -> y*log(x) +// * log(exp(y)) -> y*log(e) +// * log(exp2(y)) -> y*log(2) +// * log(exp10(y)) -> y*log(10) +// * log(sqrt(x)) -> 0.5*log(x) +// * log(pow(x,y)) -> y*log(x) +// +// lround, lroundf, lroundl: +// * lround(cnst) -> cnst' +// +// pow, powf, powl: +// * pow(exp(x),y) -> exp(x*y) +// * pow(sqrt(x),y) -> pow(x,y*0.5) +// * pow(pow(x,y),z)-> pow(x,y*z) +// +// round, roundf, roundl: +// * round(cnst) -> cnst' +// +// signbit: +// * signbit(cnst) -> cnst' +// * signbit(nncst) -> 0 (if pstv is a non-negative constant) +// +// sqrt, sqrtf, sqrtl: +// * sqrt(expN(x)) -> expN(x*0.5) +// * sqrt(Nroot(x)) -> pow(x,1/(2*N)) +// * sqrt(pow(x,y)) -> pow(|x|,y*0.5) +// +// strchr: +// * strchr(p, 0) -> strlen(p) +// tan, tanf, tanl: +// * tan(atan(x)) -> x +// +// trunc, truncf, truncl: +// * trunc(cnst) -> cnst' +// +// |