diff options
Diffstat (limited to 'test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll')
-rw-r--r-- | test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll | 38 |
1 files changed, 18 insertions, 20 deletions
diff --git a/test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll b/test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll index 4769a3a..a11fd7f 100644 --- a/test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll +++ b/test/Analysis/LoopAccessAnalysis/unsafe-and-rt-checks.ll @@ -1,6 +1,4 @@ ; RUN: opt -loop-accesses -analyze < %s | FileCheck %s -; RUN: opt -loop-accesses -analyze -debug-only=loop-accesses < %s 2>&1 | FileCheck %s --check-prefix=DEBUG -; REQUIRES: asserts ; Analyze this loop: ; for (i = 0; i < n; i++) @@ -10,17 +8,17 @@ target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx10.10.0" ; CHECK: Report: unsafe dependent memory operations in loop - -; DEBUG: LAA: Distance for %loadA = load i16* %arrayidxA, align 2 to store i16 %mul1, i16* %arrayidxA_plus_2, align 2: 2 -; DEBUG-NEXT: LAA: Failure because of Positive distance 2 - +; CHECK-NEXT: Interesting Dependences: +; CHECK-NEXT: Backward: +; CHECK-NEXT: %loadA = load i16, i16* %arrayidxA, align 2 -> +; CHECK-NEXT: store i16 %mul1, i16* %arrayidxA_plus_2, align 2 ; CHECK: Run-time memory checks: ; CHECK-NEXT: 0: -; CHECK-NEXT: %arrayidxA_plus_2 = getelementptr inbounds i16* %a, i64 %add -; CHECK-NEXT: %arrayidxB = getelementptr inbounds i16* %b, i64 %storemerge3 +; CHECK-NEXT: %arrayidxA_plus_2 = getelementptr inbounds i16, i16* %a, i64 %add +; CHECK-NEXT: %arrayidxB = getelementptr inbounds i16, i16* %b, i64 %storemerge3 ; CHECK-NEXT: 1: -; CHECK-NEXT: %arrayidxA_plus_2 = getelementptr inbounds i16* %a, i64 %add -; CHECK-NEXT: %arrayidxC = getelementptr inbounds i16* %c, i64 %storemerge3 +; CHECK-NEXT: %arrayidxA_plus_2 = getelementptr inbounds i16, i16* %a, i64 %add +; CHECK-NEXT: %arrayidxC = getelementptr inbounds i16, i16* %c, i64 %storemerge3 @n = global i32 20, align 4 @B = common global i16* null, align 8 @@ -29,28 +27,28 @@ target triple = "x86_64-apple-macosx10.10.0" define void @f() { entry: - %a = load i16** @A, align 8 - %b = load i16** @B, align 8 - %c = load i16** @C, align 8 + %a = load i16*, i16** @A, align 8 + %b = load i16*, i16** @B, align 8 + %c = load i16*, i16** @C, align 8 br label %for.body for.body: ; preds = %for.body, %entry %storemerge3 = phi i64 [ 0, %entry ], [ %add, %for.body ] - %arrayidxA = getelementptr inbounds i16* %a, i64 %storemerge3 - %loadA = load i16* %arrayidxA, align 2 + %arrayidxA = getelementptr inbounds i16, i16* %a, i64 %storemerge3 + %loadA = load i16, i16* %arrayidxA, align 2 - %arrayidxB = getelementptr inbounds i16* %b, i64 %storemerge3 - %loadB = load i16* %arrayidxB, align 2 + %arrayidxB = getelementptr inbounds i16, i16* %b, i64 %storemerge3 + %loadB = load i16, i16* %arrayidxB, align 2 - %arrayidxC = getelementptr inbounds i16* %c, i64 %storemerge3 - %loadC = load i16* %arrayidxC, align 2 + %arrayidxC = getelementptr inbounds i16, i16* %c, i64 %storemerge3 + %loadC = load i16, i16* %arrayidxC, align 2 %mul = mul i16 %loadB, %loadA %mul1 = mul i16 %mul, %loadC %add = add nuw nsw i64 %storemerge3, 1 - %arrayidxA_plus_2 = getelementptr inbounds i16* %a, i64 %add + %arrayidxA_plus_2 = getelementptr inbounds i16, i16* %a, i64 %add store i16 %mul1, i16* %arrayidxA_plus_2, align 2 %exitcond = icmp eq i64 %add, 20 |