llvm/test/Analysis/BasicAA/underlying-value.ll
Dan Gohman 9adf151b3d Make DecomposeGEPExpression check SimplifyInstruction only
after checking for a GEP, so that it matches what GetUnderlyingObject
does. This fixes an obscure bug turned up by bugpoint in the testcase
for PR9931.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131971 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-24 18:24:08 +00:00

26 lines
931 B
LLVM

; RUN: opt -basicaa -licm -S < %s
; PR9931
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"
define void @func_20() nounwind {
entry:
br label %for.cond
for.cond: ; preds = %for.cond2, %entry
br i1 undef, label %for.cond2, label %for.end22
for.cond2: ; preds = %for.body5, %for.cond
br i1 false, label %for.body5, label %for.cond
for.body5: ; preds = %for.cond2
%arrayidx = getelementptr inbounds [2 x i64]* undef, i32 0, i64 0
%tmp7 = load i64* %arrayidx, align 8
%arrayidx9 = getelementptr inbounds [2 x i64]* undef, i32 0, i64 undef
%tmp10 = load i64* %arrayidx9, align 8
br label %for.cond2
for.end22: ; preds = %for.cond
ret void
}