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a9043a2ff6
This patch migrates the printf optimizations from the simplify-libcalls pass into the instcombine library call simplifier. llvm-svn: 168604
25 lines
1.2 KiB
LLVM
25 lines
1.2 KiB
LLVM
; RUN: opt -instcombine -S < %s | FileCheck %s
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@.str = private constant [3 x i8] c"%c\00"
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define void @foo() nounwind ssp {
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;CHECK: call i32 @putchar{{.+}} !dbg
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%1 = call i32 (i8*, ...)* @printf(i8* getelementptr inbounds ([3 x i8]* @.str, i32 0, i32 0), i32 97), !dbg !5
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ret void, !dbg !7
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}
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declare i32 @printf(i8*, ...)
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!llvm.dbg.sp = !{!0}
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!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"foo", metadata !"foo", metadata !"", metadata !1, i32 4, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 0, i1 false, void ()* @foo} ; [ DW_TAG_subprogram ]
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!1 = metadata !{i32 589865, metadata !"m.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ]
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!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"m.c", metadata !"/private/tmp", metadata !"clang", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ]
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!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !4, i32 0, null} ; [ DW_TAG_subroutine_type ]
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!4 = metadata !{null}
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!5 = metadata !{i32 5, i32 2, metadata !6, null}
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!6 = metadata !{i32 589835, metadata !0, i32 4, i32 12, metadata !1, i32 0} ; [ DW_TAG_lexical_block ]
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!7 = metadata !{i32 6, i32 1, metadata !6, null}
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