diff options
| -rw-r--r-- | llvm/lib/Analysis/TargetLibraryInfo.cpp | 5 | ||||
| -rw-r--r-- | llvm/test/Transforms/InstCombine/exp2-1.ll | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Analysis/TargetLibraryInfo.cpp b/llvm/lib/Analysis/TargetLibraryInfo.cpp index 835268b..c819558 100644 --- a/llvm/lib/Analysis/TargetLibraryInfo.cpp +++ b/llvm/lib/Analysis/TargetLibraryInfo.cpp @@ -456,6 +456,11 @@ static void initialize(TargetLibraryInfoImpl &TLI, const Triple &T, TLI.setUnavailable(LibFunc_uname); TLI.setUnavailable(LibFunc_unsetenv); TLI.setUnavailable(LibFunc_utimes); + + // MinGW does have ldexpf, but it is a plain wrapper over regular ldexp. + // Therefore it's not beneficial to transform code to use it, i.e. + // just pretend that the function is not available. + TLI.setUnavailable(LibFunc_ldexpf); } // Pick just one set of new/delete variants. diff --git a/llvm/test/Transforms/InstCombine/exp2-1.ll b/llvm/test/Transforms/InstCombine/exp2-1.ll index 79aeded..8419854 100644 --- a/llvm/test/Transforms/InstCombine/exp2-1.ll +++ b/llvm/test/Transforms/InstCombine/exp2-1.ll @@ -4,6 +4,7 @@ ; RUN: opt < %s -passes=instcombine -S -mtriple=unknown | FileCheck %s -check-prefixes=LDEXP32 ; RUN: opt < %s -passes=instcombine -S -mtriple=msp430 | FileCheck %s -check-prefixes=LDEXP16 ; RUN: opt < %s -passes=instcombine -S -mtriple=i386-pc-win32 | FileCheck %s -check-prefixes=NOLDEXPF +; RUN: opt < %s -passes=instcombine -S -mtriple=i386-windows-gnu | FileCheck %s -check-prefixes=NOLDEXPF ; RUN: opt < %s -passes=instcombine -S -mtriple=amdgcn-unknown-unknown | FileCheck %s -check-prefixes=NOLDEXP target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128" |