| Johannes Doerfert | da80386 | 2014-06-18 23:08:14 +0000 | [diff] [blame] | 1 | ; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s |
| 2 | ; |
| 3 | ; CHECK: Function: f_no_fast_math |
| Johannes Doerfert | f618339 | 2014-07-01 20:52:51 +0000 | [diff] [blame^] | 4 | ; CHECK: Reduction Type: NONE |
| Johannes Doerfert | da80386 | 2014-06-18 23:08:14 +0000 | [diff] [blame] | 5 | ; CHECK: Function: f_fast_math |
| Johannes Doerfert | f618339 | 2014-07-01 20:52:51 +0000 | [diff] [blame^] | 6 | ; CHECK: Reduction Type: ADD |
| Johannes Doerfert | da80386 | 2014-06-18 23:08:14 +0000 | [diff] [blame] | 7 | ; |
| 8 | ; void f(float *sum) { |
| 9 | ; for (int i = 0; i < 100; i++) |
| 10 | ; *sum += 3.41 * i; |
| 11 | ; } |
| 12 | target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" |
| 13 | |
| 14 | define void @f_no_fast_math(float* %sum) { |
| 15 | entry: |
| 16 | br label %for.cond |
| 17 | |
| 18 | for.cond: ; preds = %for.inc, %entry |
| 19 | %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] |
| 20 | %exitcond = icmp ne i32 %i.0, 100 |
| 21 | br i1 %exitcond, label %for.body, label %for.end |
| 22 | |
| 23 | for.body: ; preds = %for.cond |
| 24 | %conv = sitofp i32 %i.0 to float |
| 25 | %pi = fptrunc double 3.41 to float |
| 26 | %mul = fmul float %conv, %pi |
| 27 | %tmp = load float* %sum, align 4 |
| 28 | %add = fadd float %tmp, %mul |
| 29 | store float %add, float* %sum, align 4 |
| 30 | br label %for.inc |
| 31 | |
| 32 | for.inc: ; preds = %for.body |
| 33 | %inc = add nsw i32 %i.0, 1 |
| 34 | br label %for.cond |
| 35 | |
| 36 | for.end: ; preds = %for.cond |
| 37 | ret void |
| 38 | } |
| 39 | |
| 40 | define void @f_fast_math(float* %sum) { |
| 41 | entry: |
| 42 | br label %for.cond |
| 43 | |
| 44 | for.cond: ; preds = %for.inc, %entry |
| 45 | %i.0 = phi i32 [ 0, %entry ], [ %inc, %for.inc ] |
| 46 | %exitcond = icmp ne i32 %i.0, 100 |
| 47 | br i1 %exitcond, label %for.body, label %for.end |
| 48 | |
| 49 | for.body: ; preds = %for.cond |
| 50 | %conv = sitofp i32 %i.0 to float |
| 51 | %pi = fptrunc double 3.41 to float |
| 52 | %mul = fmul fast float %conv, %pi |
| 53 | %tmp = load float* %sum, align 4 |
| 54 | %add = fadd fast float %tmp, %mul |
| 55 | store float %add, float* %sum, align 4 |
| 56 | br label %for.inc |
| 57 | |
| 58 | for.inc: ; preds = %for.body |
| 59 | %inc = add nsw i32 %i.0, 1 |
| 60 | br label %for.cond |
| 61 | |
| 62 | for.end: ; preds = %for.cond |
| 63 | ret void |
| 64 | } |