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; RUN: llc < %s -mcpu=corei7 -march=x86-64 -mattr=+sse2 | FileCheck %s
; Verify that floating-point operations inside 'optnone' functions
; are not optimized even if unsafe-fp-math is set.
define float @foo(float %x) #0 {
entry:
%add = fadd fast float %x, %x
%add1 = fadd fast float %add, %x
ret float %add1
}
; CHECK-LABEL: @foo
; CHECK-NOT: add
; CHECK: mul
; CHECK-NOT: add
; CHECK: ret
define float @fooWithOptnone(float %x) #1 {
entry:
%add = fadd fast float %x, %x
%add1 = fadd fast float %add, %x
ret float %add1
}
; CHECK-LABEL: @fooWithOptnone
; CHECK-NOT: mul
; CHECK: add
; CHECK-NOT: mul
; CHECK: add
; CHECK-NOT: mul
; CHECK: ret
attributes #0 = { "unsafe-fp-math"="true" }
attributes #1 = { noinline optnone "unsafe-fp-math"="true" }
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