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revert r122164, I'm going to go with a different approach.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122168 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-12-19 04:23:03 +00:00
parent c5b0e44aca
commit a0d172f7fe
2 changed files with 0 additions and 42 deletions
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31
test/Transforms/CodeGenPrepare/basic.ll
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@@ -1,31 +0,0 @@
; RUN: opt -codegenprepare %s -S | FileCheck %s
; PR8642
%0 = type <{ %1, %1 }>
%1 = type { i8, i8, i8, i8 }
@g_2 = global %0 <{ %1 { i8 1, i8 0, i8 0, i8 undef }, %1 { i8 2, i8 0, i8 0, i8 undef } }>, align 4
@g_4 = global %1 { i8 3, i8 0, i8 0, i8 undef }, align 4
; CGP shouldn't fold away the empty cond.false.i block, because the constant
; expr that will get dropped into it could trap.
define i16 @test1(i8** %argv, i1 %c) nounwind ssp {
entry:
br i1 %c, label %cond.end.i, label %cond.false.i
cond.false.i: ; preds = %entry
br label %foo.exit
cond.end.i: ; preds = %entry
store i8* null, i8** %argv
br label %foo.exit
foo.exit: ; preds = %cond.end.i, %cond.false.i
%call1 = phi i16 [ trunc (i32 srem (i32 1, i32 zext (i1 icmp eq (%1* bitcast (i8* getelementptr inbounds (%0* @g_2, i64 0, i32 1, i32 0) to %1*), %1* @g_4) to i32)) to i16), %cond.false.i ], [ 1, %cond.end.i ]
ret i16 %call1
; CHECK: @test1
; CHECK: cond.false.i:
; CHECK-NEXT: br label %foo.exit
}