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Testcase for testb optimization.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58827 91177308-0d34-0410-b5e6-96231b3b80d8
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Dale Johannesen 2008-11-07 01:30:18 +00:00
parent 180ffaef18
commit 815fb57226
1 changed files with 25 additions and 0 deletions
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test/CodeGen/X86/2008-11-06-testb.ll Normal file
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; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin | grep testb
; ModuleID = '<stdin>'
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
target triple = "i386-apple-darwin9.5"
%struct.x = type <{ i8, i8, i16 }>
define i32 @foo(%struct.x* %p) nounwind {
entry:
%0 = getelementptr %struct.x* %p, i32 0, i32 0 ; <i8*> [#uses=1]
store i8 55, i8* %0, align 1
%1 = bitcast %struct.x* %p to i32* ; <i32*> [#uses=1]
%2 = load i32* %1, align 1 ; <i32> [#uses=1]
%3 = and i32 %2, 512 ; <i32> [#uses=1]
%4 = icmp eq i32 %3, 0 ; <i1> [#uses=1]
br i1 %4, label %bb5, label %bb
bb: ; preds = %entry
%5 = tail call i32 (...)* @xx() nounwind ; <i32> [#uses=1]
ret i32 %5
bb5: ; preds = %entry
ret i32 0
}
declare i32 @xx(...)