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[optnone] Skip pass Float2Int on optnone functions.

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Added test Float2Int/float2int-optnone.ll to verify that pass Float2Int
is not run on optnone functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233183 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrea Di Biagio 2015-03-25 12:22:37 +00:00
parent 47fd5639bc
commit 962dcdfdda
2 changed files with 20 additions and 0 deletions
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3
lib/Transforms/Scalar/Float2Int.cpp
View File

@ -511,6 +511,9 @@ void Float2Int::cleanup() {
}
bool Float2Int::runOnFunction(Function &F) {
if (skipOptnoneFunction(F))
return false;
DEBUG(dbgs() << "F2I: Looking at function " << F.getName() << "\n");
// Clear out all state.
ECs = EquivalenceClasses<Instruction*>();

17
test/Transforms/Float2Int/float2int-optnone.ll Normal file
View File

@ -0,0 +1,17 @@
; RUN: opt < %s -float2int -S | FileCheck %s
;
; Verify that pass float2int is not run on optnone functions.
define i16 @simple1(i8 %a) #0 {
; CHECK-LABEL: @simple1
; CHECK: %1 = uitofp i8 %a to float
; CHECK-NEXT: %2 = fadd float %1, 1.0
; CHECK-NEXT: %3 = fptoui float %2 to i16
; CHECK-NEXT: ret i16 %3
%1 = uitofp i8 %a to float
%2 = fadd float %1, 1.0
%3 = fptoui float %2 to i16
ret i16 %3
}
attributes #0 = { noinline optnone }