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BBVectorize: Check the types of compare instructions

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The pass would previously assert when trying to compute the cost of
compare instructions with illegal vector types (like struct pointers).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167743 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Hal Finkel 2012-11-12 19:41:38 +00:00
parent 9b5caaa9c4
commit 5094257518
2 changed files with 18 additions and 0 deletions
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2
lib/Transforms/Vectorize/BBVectorize.cpp
View File

@ -485,6 +485,8 @@ namespace {
T2 = SI->getCondition()->getType();
} else if (ShuffleVectorInst *SI = dyn_cast<ShuffleVectorInst>(I)) {
T2 = SI->getOperand(0)->getType();
} else if (CmpInst *CI = dyn_cast<CmpInst>(I)) {
T2 = CI->getOperand(0)->getType();
}
}

16
test/Transforms/BBVectorize/X86/cmp-types.ll Normal file
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@ -0,0 +1,16 @@
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
; RUN: opt < %s -mtriple=x86_64-unknown-linux-gnu -mcpu=corei7 -bb-vectorize -S | FileCheck %s
%"struct.btSoftBody" = type { float, float, float*, i8 }
define void @test1(%"struct.btSoftBody"* %n1, %"struct.btSoftBody"* %n2) uwtable align 2 {
entry:
%tobool15 = icmp ne %"struct.btSoftBody"* %n1, null
%cond16 = zext i1 %tobool15 to i32
%tobool21 = icmp ne %"struct.btSoftBody"* %n2, null
%cond22 = zext i1 %tobool21 to i32
ret void
; CHECK: @test1
}