forked from OSchip/llvm-project
36 lines
1.2 KiB
LLVM
36 lines
1.2 KiB
LLVM
; RUN: opt < %s -S -inline -inline-threshold=20 | FileCheck %s
|
|
; RUN: opt < %s -S -passes='cgscc(inline)' -inline-threshold=20 | FileCheck %s
|
|
; Check that we don't drop FastMathFlag when estimating inlining profitability.
|
|
;
|
|
; In this test we should inline 'foo' to 'boo', because it'll fold to a
|
|
; constant.
|
|
|
|
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
|
|
|
|
define float @foo(float* %a, float %b) {
|
|
entry:
|
|
%a0 = load float, float* %a, align 4
|
|
%mul = fmul fast float %a0, %b
|
|
%tobool = fcmp une float %mul, 0.000000e+00
|
|
br i1 %tobool, label %if.then, label %if.end
|
|
|
|
if.then: ; preds = %entry
|
|
%a1 = load float, float* %a, align 8
|
|
%arrayidx1 = getelementptr inbounds float, float* %a, i64 1
|
|
%a2 = load float, float* %arrayidx1, align 4
|
|
%add = fadd fast float %a1, %a2
|
|
br label %if.end
|
|
|
|
if.end: ; preds = %if.then, %entry
|
|
%storemerge = phi float [ %add, %if.then ], [ 1.000000e+00, %entry ]
|
|
ret float %storemerge
|
|
}
|
|
|
|
; CHECK-LABEL: @boo
|
|
; CHECK-NOT: call float @foo
|
|
define float @boo(float* %a) {
|
|
entry:
|
|
%call = call float @foo(float* %a, float 0.000000e+00)
|
|
ret float %call
|
|
}
|