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; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
;
; CHECK: Function: f_no_fast_math
; CHECK: Reduction Type: NONE
; CHECK: Function: f_fast_math
; CHECK: Reduction Type: +
;
; void f(float *sum) {
; for (int i = 0; i < 100; i++)
; *sum += 3.41 * i;
; }
target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
define void @f_no_fast_math(float* %sum) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i.0, 100
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%conv = sitofp i32 %i.0 to float
%pi = fptrunc double 3.41 to float
%mul = fmul float %conv, %pi
%tmp = load float, float* %sum, align 4
%add = fadd float %tmp, %mul
store float %add, float* %sum, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
define void @f_fast_math(float* %sum) {
entry:
br label %for.cond
for.cond: ; preds = %for.inc, %entry
%i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ]
%exitcond = icmp ne i32 %i.0, 100
br i1 %exitcond, label %for.body, label %for.end
for.body: ; preds = %for.cond
%conv = sitofp i32 %i.0 to float
%pi = fptrunc double 3.41 to float
%mul = fmul fast float %conv, %pi
%tmp = load float, float* %sum, align 4
%add = fadd fast float %tmp, %mul
store float %add, float* %sum, align 4
br label %for.inc
for.inc: ; preds = %for.body
%inc = add nsw i32 %i.0, 1
br label %for.cond
for.end: ; preds = %for.cond
ret void
}
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