Mercurial > hg > CbC > CbC_llvm
view test/CodeGen/X86/2006-10-19-SwitchUnnecessaryBranching.ll @ 100:7d135dc70f03 LLVM 3.9
LLVM 3.9
author | Miyagi Mitsuki <e135756@ie.u-ryukyu.ac.jp> |
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date | Tue, 26 Jan 2016 22:53:40 +0900 |
parents | afa8332a0e37 |
children | 803732b1fca8 |
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; RUN: llc < %s -march=x86 -asm-verbose | FileCheck %s @str = internal constant [14 x i8] c"Hello world!\0A\00" ; <[14 x i8]*> [#uses=1] @str.upgrd.1 = internal constant [13 x i8] c"Blah world!\0A\00" ; <[13 x i8]*> [#uses=1] define i32 @test(i32 %argc, i8** %argv) nounwind { entry: ; CHECK: cmpl $2 ; CHECK-NEXT: je ; CHECK-NEXT: %entry switch i32 %argc, label %UnifiedReturnBlock [ i32 1, label %bb i32 2, label %bb2 ] bb: ; preds = %entry %tmp1 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([14 x i8], [14 x i8]* @str, i32 0, i64 0) ) ; <i32> [#uses=0] ret i32 0 bb2: ; preds = %entry %tmp4 = tail call i32 (i8*, ...) @printf( i8* getelementptr ([13 x i8], [13 x i8]* @str.upgrd.1, i32 0, i64 0) ) ; <i32> [#uses=0] ret i32 0 UnifiedReturnBlock: ; preds = %entry ret i32 0 } declare i32 @printf(i8*, ...)