316 lines
15 KiB
LLVM
316 lines
15 KiB
LLVM
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; Test remark output for stack-frame-layout
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; ensure basic output works
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; RUN: llc -mcpu=corei7 -O1 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s
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; check additional slots are displayed when stack is not optimized
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; RUN: llc -mcpu=corei7 -O0 -pass-remarks-analysis=stack-frame-layout < %s 2>&1 >/dev/null | FileCheck %s --check-prefix=NO_COLORING
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; check more complex cases
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; RUN: llc %s -pass-remarks-analysis=stack-frame-layout -o /dev/null --march=x86 -mcpu=i386 2>&1 | FileCheck %s --check-prefix=BOTH --check-prefix=DEBUG
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; check output without debug info
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; RUN: opt %s -passes=strip -S | llc -pass-remarks-analysis=stack-frame-layout -o /dev/null --march=x86 -mcpu=i386 2>&1 | FileCheck %s --check-prefix=BOTH --check-prefix=STRIPPED
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target triple = "x86_64-unknown-linux-gnu"
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@.str = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
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declare i32 @printf(ptr, ...)
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; CHECK: Function: stackSizeWarning
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; CHECK: Offset: [SP-88], Type: Variable, Align: 16, Size: 80
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; CHECK: buffer @ frame-diags.c:30
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; NO_COLORING: Offset: [SP-168], Type: Variable, Align: 16, Size: 80
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; CHECK: buffer2 @ frame-diags.c:33
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define void @stackSizeWarning() {
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entry:
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%buffer = alloca [80 x i8], align 16
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%buffer2 = alloca [80 x i8], align 16
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call void @llvm.dbg.declare(metadata ptr %buffer, metadata !25, metadata !DIExpression()), !dbg !39
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call void @llvm.dbg.declare(metadata ptr %buffer2, metadata !31, metadata !DIExpression()), !dbg !40
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ret void
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}
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; Function Attrs: nocallback nofree nosync nounwind readnone speculatable willreturn
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #0
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; BOTH: Function: cleanup_array
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; BOTH-Next: Offset: [SP+4], Type: Protector, Align: 16, Size: 4
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; DEBUG: a @ dot.c:13
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; STRIPPED-NOT: a @ dot.c:13
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; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
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define void @cleanup_array(ptr %0) #1 {
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%2 = alloca ptr, align 8
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store ptr %0, ptr %2, align 8
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call void @llvm.dbg.declare(metadata ptr %2, metadata !41, metadata !DIExpression()), !dbg !46
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ret void
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}
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; BOTH: Function: cleanup_result
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; BOTH: Offset: [SP+4], Type: Protector, Align: 16, Size: 4
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; DEBUG: res @ dot.c:21
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; STRIPPED-NOT: res @ dot.c:21
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; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
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define void @cleanup_result(ptr %0) #1 {
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%2 = alloca ptr, align 8
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store ptr %0, ptr %2, align 8
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call void @llvm.dbg.declare(metadata ptr %2, metadata !47, metadata !DIExpression()), !dbg !51
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ret void
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}
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; BOTH: Function: do_work
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; BOTH: Offset: [SP+12], Type: Variable, Align: 8, Size: 4
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; DEBUG: out @ dot.c:32
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; STRIPPED-NOT: out @ dot.c:32
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; BOTH: Offset: [SP+8], Type: Variable, Align: 4, Size: 4
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; BOTH: Offset: [SP+4], Type: Protector, Align: 16, Size: 4
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; DEBUG: A @ dot.c:32
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; STRIPPED-NOT: A @ dot.c:32
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; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
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; BOTH: Offset: [SP-12], Type: Variable, Align: 8, Size: 4
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; DEBUG: AB @ dot.c:38
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; STRIPPED-NOT: AB @ dot.c:38
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; BOTH: Offset: [SP-16], Type: Variable, Align: 4, Size: 4
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; DEBUG: i @ dot.c:55
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; STRIPPED-NOT: i @ dot.c:55
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; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4
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; DEBUG: B @ dot.c:32
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; STRIPPED-NOT: B @ dot.c:32
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; BOTH: Offset: [SP-24], Type: Variable, Align: 4, Size: 4
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; DEBUG: len @ dot.c:37
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; STRIPPED-NOT: len @ dot.c:37
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; BOTH: Offset: [SP-28], Type: Variable, Align: 4, Size: 4
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; BOTH: Offset: [SP-32], Type: Variable, Align: 4, Size: 4
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; DEBUG: sum @ dot.c:54
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; STRIPPED-NOT: sum @ dot.c:54
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define i32 @do_work(ptr %0, ptr %1, ptr %2) #2 {
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%4 = alloca i32, align 4
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%5 = alloca ptr, align 8
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%6 = alloca ptr, align 8
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%7 = alloca ptr, align 8
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%8 = alloca i32, align 4
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%9 = alloca ptr, align 8
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%10 = alloca i32, align 4
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%11 = alloca i32, align 4
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store ptr %0, ptr %5, align 8
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call void @llvm.dbg.declare(metadata ptr %5, metadata !52, metadata !DIExpression()), !dbg !56
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call void @llvm.dbg.declare(metadata ptr %6, metadata !57, metadata !DIExpression()), !dbg !58
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store ptr %2, ptr %7, align 8
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call void @llvm.dbg.declare(metadata ptr %7, metadata !59, metadata !DIExpression()), !dbg !60
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call void @llvm.dbg.declare(metadata ptr %8, metadata !61, metadata !DIExpression()), !dbg !63
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call void @llvm.dbg.declare(metadata ptr %9, metadata !64, metadata !DIExpression()), !dbg !65
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store ptr null, ptr %9, align 8
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store ptr null, ptr null, align 8
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store i32 0, ptr %9, align 8
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%12 = load i32, ptr %8, align 4
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store i32 %12, ptr null, align 8
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call void @llvm.dbg.declare(metadata ptr %10, metadata !66, metadata !DIExpression()), !dbg !67
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call void @llvm.dbg.declare(metadata ptr %11, metadata !68, metadata !DIExpression()), !dbg !70
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store i32 0, ptr %11, align 4
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br label %13
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13: ; preds = %16, %3
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%14 = load i32, ptr %11, align 4
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%15 = icmp slt i32 %14, 0
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br i1 %15, label %16, label %18
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16: ; preds = %13
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%17 = load i32, ptr %6, align 4
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store i32 %17, ptr null, align 4
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br label %13
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18: ; preds = %13
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store i32 0, ptr %4, align 4
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ret i32 0
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}
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; BOTH: Function: gen_array
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; BOTH: Offset: [SP+4], Type: Protector, Align: 16, Size: 4
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; DEBUG: size @ dot.c:62
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; STRIPPED-NOT: size @ dot.c:62
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; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
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; BOTH: Offset: [SP-12], Type: Variable, Align: 8, Size: 4
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; DEBUG: res @ dot.c:65
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; STRIPPED-NOT: res @ dot.c:65
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; BOTH: Offset: [SP-16], Type: Variable, Align: 4, Size: 4
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; DEBUG: i @ dot.c:69
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; STRIPPED-NOT: i @ dot.c:69
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; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4
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define ptr @gen_array(i32 %0) #1 {
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%2 = alloca ptr, align 8
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%3 = alloca i32, align 4
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%4 = alloca ptr, align 8
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%5 = alloca i32, align 4
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store i32 %0, ptr %3, align 4
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call void @llvm.dbg.declare(metadata ptr %3, metadata !71, metadata !DIExpression()), !dbg !75
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call void @llvm.dbg.declare(metadata ptr %4, metadata !76, metadata !DIExpression()), !dbg !77
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store ptr null, ptr %4, align 8
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call void @llvm.dbg.declare(metadata ptr %5, metadata !78, metadata !DIExpression()), !dbg !80
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store i32 0, ptr %5, align 4
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ret ptr null
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}
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; BOTH: Function: caller
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; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
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; BOTH: Offset: [SP-12], Type: Variable, Align: 8, Size: 4
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; DEBUG: res @ dot.c:80
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; STRIPPED-NOT: res @ dot.c:80
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; BOTH: Offset: [SP-20], Type: Variable, Align: 8, Size: 4
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; DEBUG: B @ dot.c:79
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; STRIPPED-NOT: B @ dot.c:79
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; BOTH: Offset: [SP-28], Type: Variable, Align: 8, Size: 4
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; DEBUG: A @ dot.c:78
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; STRIPPED-NOT: A @ dot.c:78
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; BOTH: Offset: [SP-32], Type: Variable, Align: 4, Size: 4
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; DEBUG: ret @ dot.c:81
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; STRIPPED-NOT: ret @ dot.c:81
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; BOTH: Offset: [SP-36], Type: Variable, Align: 4, Size: 4
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; BOTH: Offset: [SP-40], Type: Variable, Align: 4, Size: 4
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; DEBUG: err @ dot.c:83
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; STRIPPED-NOT: err @ dot.c:83
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; BOTH: Offset: [SP-44], Type: Variable, Align: 4, Size: 4
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; DEBUG: size @ dot.c:77
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; STRIPPED-NOT: size @ dot.c:77
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define i32 @caller() #1 {
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%1 = alloca i32, align 4
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%2 = alloca i32, align 4
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%3 = alloca ptr, align 8
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%4 = alloca ptr, align 8
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%5 = alloca ptr, align 8
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%6 = alloca i32, align 4
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%7 = alloca i32, align 4
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call void @llvm.dbg.declare(metadata ptr %2, metadata !81, metadata !DIExpression()), !dbg !85
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call void @llvm.dbg.declare(metadata ptr %3, metadata !86, metadata !DIExpression()), !dbg !87
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call void @llvm.dbg.declare(metadata ptr %4, metadata !88, metadata !DIExpression()), !dbg !89
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store ptr null, ptr %4, align 8
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call void @llvm.dbg.declare(metadata ptr %5, metadata !90, metadata !DIExpression()), !dbg !91
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call void @llvm.dbg.declare(metadata ptr %6, metadata !92, metadata !DIExpression()), !dbg !93
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call void @llvm.dbg.declare(metadata ptr %7, metadata !94, metadata !DIExpression()), !dbg !95
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%8 = call i32 @do_work(ptr %3, ptr null, ptr null)
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store i32 0, ptr %6, align 4
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store i32 0, ptr %1, align 4
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call void @cleanup_result(ptr %5)
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ret i32 0
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}
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; test29b: An array of [5 x i8] and a requested ssp-buffer-size of 5.
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; Requires protector.
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; Function Attrs: ssp stack-protector-buffer-size=5
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; BOTH: Function: test29b
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; BOTH: Offset: [SP-4], Type: Spill, Align: 8, Size: 4
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; BOTH: Offset: [SP-8], Type: Protector, Align: 4, Size: 4
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; BOTH: Offset: [SP-13], Type: Variable, Align: 1, Size: 5
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define i32 @test29b() #2 {
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entry:
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%test = alloca [5 x i8], align 1
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%call = call i32 (ptr, ...) @printf(ptr @.str, ptr %test)
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ret i32 %call
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}
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; uselistorder directives
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uselistorder ptr @llvm.dbg.declare, { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 19, 18 }
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attributes #0 = { nocallback nofree nosync nounwind readnone speculatable willreturn }
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attributes #1 = { "frame-pointer"="all" }
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attributes #2 = { ssp "stack-protector-buffer-size"="5" "frame-pointer"="all" }
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!llvm.dbg.cu = !{!0, !2}
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!llvm.module.flags = !{!18, !19, !20, !21, !22, !23, !24}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, splitDebugInlining: false, nameTableKind: None)
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!1 = !DIFile(filename: "frame-diags.c", directory: "")
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !4, splitDebugInlining: false, nameTableKind: None)
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!3 = !DIFile(filename: "dot.c", directory: "")
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!4 = !{!5, !6, !10, !13}
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!5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
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!6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64)
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!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Array", file: !3, line: 3, size: 128, elements: !8)
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!8 = !{!9, !12}
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !7, file: !3, line: 4, baseType: !10, size: 64)
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
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!11 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "size", scope: !7, file: !3, line: 5, baseType: !11, size: 32, offset: 64)
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!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64)
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!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "Result", file: !3, line: 8, size: 128, elements: !15)
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!15 = !{!16, !17}
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!16 = !DIDerivedType(tag: DW_TAG_member, name: "data", scope: !14, file: !3, line: 9, baseType: !6, size: 64)
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!17 = !DIDerivedType(tag: DW_TAG_member, name: "sum", scope: !14, file: !3, line: 10, baseType: !11, size: 32, offset: 64)
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!18 = !{i32 7, !"Dwarf Version", i32 5}
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!19 = !{i32 2, !"Debug Info Version", i32 3}
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!20 = !{i32 1, !"wchar_size", i32 4}
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!21 = !{i32 8, !"PIC Level", i32 2}
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!22 = !{i32 7, !"PIE Level", i32 2}
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!23 = !{i32 7, !"uwtable", i32 2}
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!24 = !{i32 7, !"frame-pointer", i32 2}
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!25 = !DILocalVariable(name: "buffer", scope: !26, file: !1, line: 30, type: !32)
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!26 = distinct !DILexicalBlock(scope: !27, file: !1, line: 29, column: 3)
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!27 = distinct !DISubprogram(name: "stackSizeWarning", scope: !1, file: !1, line: 28, type: !28, scopeLine: 28, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !30)
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!28 = !DISubroutineType(types: !29)
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!29 = !{null}
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!30 = !{!25, !31, !36, !37}
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!31 = !DILocalVariable(name: "buffer2", scope: !27, file: !1, line: 33, type: !32)
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!32 = !DICompositeType(tag: DW_TAG_array_type, baseType: !33, size: 640, elements: !34)
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!33 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
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!34 = !{!35}
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!35 = !DISubrange(count: 80)
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!36 = !DILocalVariable(name: "a", scope: !27, file: !1, line: 34, type: !11)
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!37 = !DILocalVariable(name: "b", scope: !27, file: !1, line: 35, type: !38)
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!38 = !DIBasicType(name: "long", size: 64, encoding: DW_ATE_signed)
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!39 = !DILocation(line: 30, column: 10, scope: !26)
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!40 = !DILocation(line: 33, column: 8, scope: !27)
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!41 = !DILocalVariable(name: "a", arg: 1, scope: !42, file: !3, line: 13, type: !6)
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!42 = distinct !DISubprogram(name: "cleanup_array", scope: !3, file: !3, line: 13, type: !43, scopeLine: 13, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
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!43 = !DISubroutineType(types: !44)
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!44 = !{null, !6}
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!45 = !{}
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!46 = !DILocation(line: 13, column: 34, scope: !42)
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!47 = !DILocalVariable(name: "res", arg: 1, scope: !48, file: !3, line: 21, type: !13)
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!48 = distinct !DISubprogram(name: "cleanup_result", scope: !3, file: !3, line: 21, type: !49, scopeLine: 21, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
|
||
|
|
!49 = !DISubroutineType(types: !50)
|
||
|
|
!50 = !{null, !13}
|
||
|
|
!51 = !DILocation(line: 21, column: 36, scope: !48)
|
||
|
|
!52 = !DILocalVariable(name: "A", arg: 1, scope: !53, file: !3, line: 32, type: !6)
|
||
|
|
!53 = distinct !DISubprogram(name: "do_work", scope: !3, file: !3, line: 32, type: !54, scopeLine: 32, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
|
||
|
|
!54 = !DISubroutineType(types: !55)
|
||
|
|
!55 = !{!11, !6, !6, !13}
|
||
|
|
!56 = !DILocation(line: 32, column: 27, scope: !53)
|
||
|
|
!57 = !DILocalVariable(name: "B", arg: 2, scope: !53, file: !3, line: 32, type: !6)
|
||
|
|
!58 = !DILocation(line: 32, column: 44, scope: !53)
|
||
|
|
!59 = !DILocalVariable(name: "out", arg: 3, scope: !53, file: !3, line: 32, type: !13)
|
||
|
|
!60 = !DILocation(line: 32, column: 62, scope: !53)
|
||
|
|
!61 = !DILocalVariable(name: "len", scope: !53, file: !3, line: 37, type: !62)
|
||
|
|
!62 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
|
||
|
|
!63 = !DILocation(line: 37, column: 13, scope: !53)
|
||
|
|
!64 = !DILocalVariable(name: "AB", scope: !53, file: !3, line: 38, type: !6)
|
||
|
|
!65 = !DILocation(line: 38, column: 17, scope: !53)
|
||
|
|
!66 = !DILocalVariable(name: "sum", scope: !53, file: !3, line: 54, type: !11)
|
||
|
|
!67 = !DILocation(line: 54, column: 7, scope: !53)
|
||
|
|
!68 = !DILocalVariable(name: "i", scope: !69, file: !3, line: 55, type: !11)
|
||
|
|
!69 = distinct !DILexicalBlock(scope: !53, file: !3, line: 55, column: 3)
|
||
|
|
!70 = !DILocation(line: 55, column: 12, scope: !69)
|
||
|
|
!71 = !DILocalVariable(name: "size", arg: 1, scope: !72, file: !3, line: 62, type: !11)
|
||
|
|
!72 = distinct !DISubprogram(name: "gen_array", scope: !3, file: !3, line: 62, type: !73, scopeLine: 62, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
|
||
|
|
!73 = !DISubroutineType(types: !74)
|
||
|
|
!74 = !{!6, !11}
|
||
|
|
!75 = !DILocation(line: 62, column: 29, scope: !72)
|
||
|
|
!76 = !DILocalVariable(name: "res", scope: !72, file: !3, line: 65, type: !6)
|
||
|
|
!77 = !DILocation(line: 65, column: 17, scope: !72)
|
||
|
|
!78 = !DILocalVariable(name: "i", scope: !79, file: !3, line: 69, type: !11)
|
||
|
|
!79 = distinct !DILexicalBlock(scope: !72, file: !3, line: 69, column: 3)
|
||
|
|
!80 = !DILocation(line: 69, column: 12, scope: !79)
|
||
|
|
!81 = !DILocalVariable(name: "size", scope: !82, file: !3, line: 77, type: !62)
|
||
|
|
!82 = distinct !DISubprogram(name: "caller", scope: !3, file: !3, line: 76, type: !83, scopeLine: 76, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !45)
|
||
|
|
!83 = !DISubroutineType(types: !84)
|
||
|
|
!84 = !{!11}
|
||
|
|
!85 = !DILocation(line: 77, column: 13, scope: !82)
|
||
|
|
!86 = !DILocalVariable(name: "A", scope: !82, file: !3, line: 78, type: !6)
|
||
|
|
!87 = !DILocation(line: 78, column: 17, scope: !82)
|
||
|
|
!88 = !DILocalVariable(name: "B", scope: !82, file: !3, line: 79, type: !6)
|
||
|
|
!89 = !DILocation(line: 79, column: 17, scope: !82)
|
||
|
|
!90 = !DILocalVariable(name: "res", scope: !82, file: !3, line: 80, type: !13)
|
||
|
|
!91 = !DILocation(line: 80, column: 18, scope: !82)
|
||
|
|
!92 = !DILocalVariable(name: "ret", scope: !82, file: !3, line: 81, type: !11)
|
||
|
|
!93 = !DILocation(line: 81, column: 7, scope: !82)
|
||
|
|
!94 = !DILocalVariable(name: "err", scope: !82, file: !3, line: 83, type: !11)
|
||
|
|
!95 = !DILocation(line: 83, column: 7, scope: !82)
|