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Add a testcase that checks that we generate functions with frame

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pointers or not depending upon the function attributes.

llvm-svn: 181180
This commit is contained in:
Bill Wendling 2013-05-06 05:45:57 +00:00
parent 723fad6f83
commit 454b468436
1 changed files with 32 additions and 0 deletions
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32
test/CodeGen/X86/fp-elim-and-no-fp-elim.ll Normal file
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; RUN: llc < %s -mtriple x86_64-apple-darwin | FileCheck %s
define void @bar(i32 %argc) #0 {
; CHECK: bar:
; CHECK: pushq %rbp
entry:
%conv = sitofp i32 %argc to double
%mul = fmul double %conv, 3.792700e+01
%conv1 = fptrunc double %mul to float
%div = fdiv double 9.273700e+02, %conv
%conv3 = fptrunc double %div to float
tail call void @foo(float %conv1, float %conv3)
ret void
}
define void @qux(i32 %argc) #1 {
; CHECK: qux:
; CHECK-NOT: pushq %rbp
entry:
%conv = sitofp i32 %argc to double
%mul = fmul double %conv, 3.792700e+01
%conv1 = fptrunc double %mul to float
%div = fdiv double 9.273700e+02, %conv
%conv3 = fptrunc double %div to float
tail call void @foo(float %conv1, float %conv3)
ret void
}
declare void @foo(float, float)
attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" }