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While testing particular algorithms to compute loop iteration count the brute

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force evaluation (ComputeIterationCountExhaustively) should be turned off.

It doesn't apply to trip-count2.ll because this file tests the brute force
evaluation.

The test for PR2364 (2008-05-25-NegativeStepToZero.ll) currently fails
showing that the patch for this bug doesn't work. I'll fix it in a few hours
with a patch for PR2088.

llvm-svn: 53792
This commit is contained in:
Wojciech Matyjewicz 2008-07-19 13:26:15 +00:00
parent cab6b6d44d
commit 852a8f47f1
5 changed files with 10 additions and 7 deletions
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3
test/Analysis/ScalarEvolution/2007-07-15-NegativeStride.ll
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@ -1,4 +1,5 @@
; RUN: llvm-as < %s | opt -analyze -scalar-evolution | grep {Loop bb: 100 iterations}
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
; RUN: -scalar-evolution-max-iterations=0 | grep {Loop bb: 100 iterations}
; PR1533
@array = weak global [101 x i32] zeroinitializer, align 32 ; <[100 x i32]*> [#uses=1]

3
test/Analysis/ScalarEvolution/2007-09-27-LargeStepping.ll
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@ -1,4 +1,5 @@
; RUN: llvm-as < %s | opt -analyze -scalar-evolution | grep {13 iterations}
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
; RUN: -scalar-evolution-max-iterations=0 | grep {13 iterations}
; PR1706
define i32 @f() {

3
test/Analysis/ScalarEvolution/2008-05-25-NegativeStepToZero.ll
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@ -1,4 +1,5 @@
; RUN: llvm-as < %s | opt -analyze -scalar-evolution | grep {61 iterations}
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
; RUN: -scalar-evolution-max-iterations=0 | grep {61 iterations}
; PR2364
define i32 @func_6() nounwind {

4
test/Analysis/ScalarEvolution/SolveQuadraticEquation.ll
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@ -1,5 +1,5 @@
; RUN: llvm-as < %s | opt -analyze -scalar-evolution | \
; RUN: grep {100 iterations}
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
; RUN: -scalar-evolution-max-iterations=0 | grep {100 iterations}
; PR1101
@A = weak global [1000 x i32] zeroinitializer, align 32

4
test/Analysis/ScalarEvolution/trip-count.ll
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@ -1,5 +1,5 @@
; RUN: llvm-as < %s | opt -analyze -scalar-evolution | \
; RUN: grep {10000 iterations}
; RUN: llvm-as < %s | opt -analyze -scalar-evolution \
; RUN: -scalar-evolution-max-iterations=0 | grep {10000 iterations}
; PR1101
@A = weak global [1000 x i32] zeroinitializer, align 32