[polly] r211235 - Missing reduction detection test cases
Johannes Doerfert
jdoerfert at codeaurora.org
Wed Jun 18 16:08:15 PDT 2014
Author: jdoerfert
Date: Wed Jun 18 18:08:14 2014
New Revision: 211235
URL: http://llvm.org/viewvc/llvm-project?rev=211235&view=rev
Log:
Missing reduction detection test cases
Added:
polly/trunk/test/ScopInfo/reduction_only_reduction_like_access.ll
polly/trunk/test/ScopInfo/reduction_simple_fp.ll
polly/trunk/test/ScopInfo/reduction_simple_w_constant.ll
polly/trunk/test/ScopInfo/reduction_simple_w_iv.ll
Added: polly/trunk/test/ScopInfo/reduction_only_reduction_like_access.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/ScopInfo/reduction_only_reduction_like_access.ll?rev=211235&view=auto
==============================================================================
--- polly/trunk/test/ScopInfo/reduction_only_reduction_like_access.ll (added)
+++ polly/trunk/test/ScopInfo/reduction_only_reduction_like_access.ll Wed Jun 18 18:08:14 2014
@@ -0,0 +1,35 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+;
+; CHECK: Reduction like: 0
+;
+; void f(int *sum) {
+; for (int i = 0; i < 100; i++)
+; sum[i] = sum[99-i] + i;
+; }
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define void @f(i32* %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
+ %sub = sub nsw i32 99, %i.0
+ %arrayidx = getelementptr inbounds i32* %sum, i32 %sub
+ %tmp = load i32* %arrayidx, align 4
+ %add = add nsw i32 %tmp, %i.0
+ %arrayidx1 = getelementptr inbounds i32* %sum, i32 %i.0
+ store i32 %add, i32* %arrayidx1, 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
+}
Added: polly/trunk/test/ScopInfo/reduction_simple_fp.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/ScopInfo/reduction_simple_fp.ll?rev=211235&view=auto
==============================================================================
--- polly/trunk/test/ScopInfo/reduction_simple_fp.ll (added)
+++ polly/trunk/test/ScopInfo/reduction_simple_fp.ll Wed Jun 18 18:08:14 2014
@@ -0,0 +1,64 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+;
+; CHECK: Function: f_no_fast_math
+; CHECK: Reduction like: 0
+; CHECK: Function: f_fast_math
+; CHECK: Reduction like: 1
+;
+; 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* %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* %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
+}
Added: polly/trunk/test/ScopInfo/reduction_simple_w_constant.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/ScopInfo/reduction_simple_w_constant.ll?rev=211235&view=auto
==============================================================================
--- polly/trunk/test/ScopInfo/reduction_simple_w_constant.ll (added)
+++ polly/trunk/test/ScopInfo/reduction_simple_w_constant.ll Wed Jun 18 18:08:14 2014
@@ -0,0 +1,26 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+;
+; CHECK: Reduction like: 1
+;
+; void f(int *sum) {
+; for (int i = 0; i <= 100; i++)
+; sum += 3;
+; }
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define void @f(i32* %sum) {
+entry:
+ br label %for.cond
+
+for.cond: ; preds = %for.cond, %entry
+ %i1.0 = phi i32 [ 0, %entry ], [ %inc, %for.cond ]
+ %sum.reload = load i32* %sum
+ %add = add nsw i32 %sum.reload, 3
+ %inc = add nsw i32 %i1.0, 1
+ store i32 %add, i32* %sum
+ %cmp = icmp slt i32 %i1.0, 100
+ br i1 %cmp, label %for.cond, label %for.end
+
+for.end: ; preds = %for.cond
+ ret void
+}
Added: polly/trunk/test/ScopInfo/reduction_simple_w_iv.ll
URL: http://llvm.org/viewvc/llvm-project/polly/trunk/test/ScopInfo/reduction_simple_w_iv.ll?rev=211235&view=auto
==============================================================================
--- polly/trunk/test/ScopInfo/reduction_simple_w_iv.ll (added)
+++ polly/trunk/test/ScopInfo/reduction_simple_w_iv.ll Wed Jun 18 18:08:14 2014
@@ -0,0 +1,27 @@
+; RUN: opt %loadPolly -polly-scops -analyze < %s | FileCheck %s
+;
+; CHECK: Reduction like: 1
+;
+; void f(int* sum) {
+; for (int i = 0; i <= 100; i++)
+; sum += i * 3;
+; }
+target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64"
+
+define void @f(i32* %sum) {
+entry:
+ br label %for.cond
+
+for.cond: ; preds = %for.cond, %entr
+ %i1.0 = phi i32 [ 0, %entry ], [ %inc, %for.cond ]
+ %sum.reload = load i32* %sum
+ %mul = mul nsw i32 %i1.0, 3
+ %add = add nsw i32 %sum.reload, %mul
+ %inc = add nsw i32 %i1.0, 1
+ store i32 %add, i32* %sum
+ %cmp = icmp slt i32 %i1.0, 100
+ br i1 %cmp, label %for.cond, label %for.end
+
+for.end: ; preds = %for.cond
+ ret void
+}
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