1 ; RUN: llc -march=x86-64 -mtriple=x86_64-linux < %s | FileCheck %s
2 ; RUN: opt -strip-debug < %s | llc -march=x86-64 -mtriple=x86_64-linux | FileCheck %s
3 ; http://llvm.org/PR19051. Minor code-motion difference with -g.
4 ; Presence of debug info shouldn't affect the codegen. Make sure that
5 ; we generated the same code sequence with and without debug info.
7 ; CHECK: callq _Z3fooPcjPKc
8 ; CHECK: callq _Z3fooPcjPKc
9 ; CHECK: leaq (%rsp), %rdi
10 ; CHECK: movl $4, %esi
11 ; CHECK: testl {{%[a-z]+}}, {{%[a-z]+}}
14 ; Regenerate test with this command:
15 ; clang -emit-llvm -S -O2 -g
18 ; extern void foo(char *dst,unsigned siz,const char *src);
19 ; extern const char * i2str(int);
22 ; AAA3(const char *value) { foo(text,sizeof(text),value);}
23 ; void operator=(const char *value) { foo(text,sizeof(text),value);}
24 ; operator const char*() const { return text;}
28 ; void bar (int param1,int param2) {
29 ; const char * temp(0);
32 ; temp = i2str(param2);
44 %struct.AAA3 = type { [4 x i8] }
46 @.str = private unnamed_addr constant [1 x i8] zeroinitializer, align 1
47 @.str1 = private unnamed_addr constant [2 x i8] c"+\00", align 1
48 @.str2 = private unnamed_addr constant [2 x i8] c"-\00", align 1
50 ; Function Attrs: uwtable
51 define void @_Z3barii(i32 %param1, i32 %param2) #0 {
53 %var1 = alloca %struct.AAA3, align 1
54 %var2 = alloca %struct.AAA3, align 1
55 %tobool = icmp eq i32 %param2, 0
56 br i1 %tobool, label %if.end, label %if.then
58 if.then: ; preds = %entry
59 %call = call i8* @_Z5i2stri(i32 %param2)
62 if.end: ; preds = %entry, %if.then
63 call void @llvm.dbg.value(metadata !{%struct.AAA3* %var1}, i64 0, metadata !60)
64 call void @llvm.dbg.value(metadata !62, i64 0, metadata !63)
65 %arraydecay.i = getelementptr inbounds %struct.AAA3* %var1, i64 0, i32 0, i64 0
66 call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
67 call void @llvm.dbg.declare(metadata !{%struct.AAA3* %var2}, metadata !38)
68 %arraydecay.i5 = getelementptr inbounds %struct.AAA3* %var2, i64 0, i32 0, i64 0
69 call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
70 %tobool1 = icmp eq i32 %param1, 0
71 br i1 %tobool1, label %if.else, label %if.then2
73 if.then2: ; preds = %if.end
74 call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str1, i64 0, i64 0))
77 if.else: ; preds = %if.end
78 call void @_Z3fooPcjPKc(i8* %arraydecay.i5, i32 4, i8* getelementptr inbounds ([2 x i8]* @.str2, i64 0, i64 0))
81 if.end3: ; preds = %if.else, %if.then2
82 call void @_Z3fooPcjPKc(i8* %arraydecay.i, i32 4, i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0))
86 ; Function Attrs: nounwind readnone
87 declare void @llvm.dbg.declare(metadata, metadata) #1
89 declare i8* @_Z5i2stri(i32) #2
91 declare void @_Z3fooPcjPKc(i8*, i32, i8*) #2
93 ; Function Attrs: nounwind readnone
94 declare void @llvm.dbg.value(metadata, i64, metadata) #1
96 attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
97 attributes #1 = { nounwind readnone }
98 attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
100 !llvm.module.flags = !{!48, !49}
103 !38 = metadata !{i32 786688, null, metadata !"var2", null, i32 20, null, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [var2] [line 20]
104 !48 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
105 !49 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
106 !50 = metadata !{metadata !"clang version 3.5 (202418)"}
107 !60 = metadata !{i32 786689, null, metadata !"this", null, i32 16777216, null, i32 1088, null} ; [ DW_TAG_arg_variable ] [this] [line 0]
108 !62 = metadata !{i8* getelementptr inbounds ([1 x i8]* @.str, i64 0, i64 0)}
109 !63 = metadata !{i32 786689, null, metadata !"value", null, i32 33554439, null, i32 0, null} ; [ DW_TAG_arg_variable ] [value] [line 7]