241 lines
11 KiB
LLVM
241 lines
11 KiB
LLVM
; RUN: llc -filetype=obj -mtriple=x86_64-pc-linux-gnu %s -o %t
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; RUN: llvm-readobj --relocations %t | FileCheck %s
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; Check that we don't have any relocations in the ranges section -
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; to show that we're producing this as a relative offset to the
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; low_pc for the compile unit.
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; CHECK-NOT: .rela.debug_ranges
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@llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 0, void ()* @__msan_init }]
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@str = private unnamed_addr constant [4 x i8] c"zzz\00"
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@__msan_retval_tls = external thread_local(initialexec) global [8 x i64]
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@__msan_retval_origin_tls = external thread_local(initialexec) global i32
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@__msan_param_tls = external thread_local(initialexec) global [1000 x i64]
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@__msan_param_origin_tls = external thread_local(initialexec) global [1000 x i32]
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@__msan_va_arg_tls = external thread_local(initialexec) global [1000 x i64]
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@__msan_va_arg_overflow_size_tls = external thread_local(initialexec) global i64
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@__msan_origin_tls = external thread_local(initialexec) global i32
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@__executable_start = external hidden global i32
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@_end = external hidden global i32
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; Function Attrs: sanitize_memory uwtable
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define void @_Z1fv() #0 !dbg !4 {
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entry:
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%p = alloca i32*, align 8
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%0 = ptrtoint i32** %p to i64, !dbg !19
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%1 = and i64 %0, -70368744177672, !dbg !19
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%2 = inttoptr i64 %1 to i64*, !dbg !19
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store i64 -1, i64* %2, align 8, !dbg !19
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store i64 0, i64* getelementptr inbounds ([1000 x i64], [1000 x i64]* @__msan_param_tls, i64 0, i64 0), align 8, !dbg !19
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store i64 0, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @__msan_retval_tls, i64 0, i64 0), align 8, !dbg !19
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%call = call i8* @_Znwm(i64 4) #4, !dbg !19
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%_msret = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @__msan_retval_tls, i64 0, i64 0), align 8, !dbg !19
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%3 = bitcast i8* %call to i32*, !dbg !19
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tail call void @llvm.dbg.value(metadata i32* %3, i64 0, metadata !9, metadata !DIExpression()), !dbg !19
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%4 = inttoptr i64 %1 to i64*, !dbg !19
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store i64 %_msret, i64* %4, align 8, !dbg !19
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store volatile i32* %3, i32** %p, align 8, !dbg !19
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tail call void @llvm.dbg.value(metadata i32** %p, i64 0, metadata !9, metadata !DIExpression()), !dbg !19
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%p.0.p.0. = load volatile i32*, i32** %p, align 8, !dbg !20
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%_msld = load i64, i64* %4, align 8, !dbg !20
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%_mscmp = icmp eq i64 %_msld, 0, !dbg !20
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br i1 %_mscmp, label %6, label %5, !dbg !20, !prof !22
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; <label>:5 ; preds = %entry
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call void @__msan_warning_noreturn(), !dbg !20
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call void asm sideeffect "", ""() #3, !dbg !20
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unreachable, !dbg !20
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; <label>:6 ; preds = %entry
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%7 = load i32, i32* %p.0.p.0., align 4, !dbg !20, !tbaa !23
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%8 = ptrtoint i32* %p.0.p.0. to i64, !dbg !20
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%9 = and i64 %8, -70368744177665, !dbg !20
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%10 = inttoptr i64 %9 to i32*, !dbg !20
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%_msld2 = load i32, i32* %10, align 4, !dbg !20
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%11 = icmp ne i32 %_msld2, 0, !dbg !20
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%12 = xor i32 %_msld2, -1, !dbg !20
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%13 = and i32 %7, %12, !dbg !20
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%14 = icmp eq i32 %13, 0, !dbg !20
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%_msprop_icmp = and i1 %11, %14, !dbg !20
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br i1 %_msprop_icmp, label %15, label %16, !dbg !20, !prof !27
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; <label>:15 ; preds = %6
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call void @__msan_warning_noreturn(), !dbg !20
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call void asm sideeffect "", ""() #3, !dbg !20
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unreachable, !dbg !20
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; <label>:16 ; preds = %6
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%tobool = icmp eq i32 %7, 0, !dbg !20
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br i1 %tobool, label %if.end, label %if.then, !dbg !20
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if.then: ; preds = %16
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store i64 0, i64* getelementptr inbounds ([1000 x i64], [1000 x i64]* @__msan_param_tls, i64 0, i64 0), align 8, !dbg !28
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store i32 0, i32* bitcast ([8 x i64]* @__msan_retval_tls to i32*), align 8, !dbg !28
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%puts = call i32 @puts(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str, i64 0, i64 0)), !dbg !28
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br label %if.end, !dbg !28
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if.end: ; preds = %16, %if.then
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ret void, !dbg !29
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}
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; Function Attrs: nobuiltin
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declare i8* @_Znwm(i64) #1
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; Function Attrs: sanitize_memory uwtable
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define i32 @main() #0 !dbg !13 {
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entry:
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%p.i = alloca i32*, align 8
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%0 = ptrtoint i32** %p.i to i64, !dbg !30
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%1 = and i64 %0, -70368744177672, !dbg !30
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%2 = inttoptr i64 %1 to i64*, !dbg !30
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store i64 -1, i64* %2, align 8, !dbg !30
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%p.i.0..sroa_cast = bitcast i32** %p.i to i8*, !dbg !30
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call void @llvm.lifetime.start(i64 8, i8* %p.i.0..sroa_cast), !dbg !30
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store i64 0, i64* getelementptr inbounds ([1000 x i64], [1000 x i64]* @__msan_param_tls, i64 0, i64 0), align 8, !dbg !30
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store i64 0, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @__msan_retval_tls, i64 0, i64 0), align 8, !dbg !30
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%call.i = call i8* @_Znwm(i64 4) #4, !dbg !30
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%_msret = load i64, i64* getelementptr inbounds ([8 x i64], [8 x i64]* @__msan_retval_tls, i64 0, i64 0), align 8, !dbg !30
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%3 = bitcast i8* %call.i to i32*, !dbg !30
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tail call void @llvm.dbg.value(metadata i32* %3, i64 0, metadata !32, metadata !DIExpression()), !dbg !30
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%4 = inttoptr i64 %1 to i64*, !dbg !30
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store i64 %_msret, i64* %4, align 8, !dbg !30
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store volatile i32* %3, i32** %p.i, align 8, !dbg !30
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tail call void @llvm.dbg.value(metadata i32** %p.i, i64 0, metadata !32, metadata !DIExpression()), !dbg !30
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%p.i.0.p.0.p.0..i = load volatile i32*, i32** %p.i, align 8, !dbg !33
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%_msld = load i64, i64* %4, align 8, !dbg !33
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%_mscmp = icmp eq i64 %_msld, 0, !dbg !33
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br i1 %_mscmp, label %6, label %5, !dbg !33, !prof !22
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; <label>:5 ; preds = %entry
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call void @__msan_warning_noreturn(), !dbg !33
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call void asm sideeffect "", ""() #3, !dbg !33
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unreachable, !dbg !33
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; <label>:6 ; preds = %entry
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%7 = load i32, i32* %p.i.0.p.0.p.0..i, align 4, !dbg !33, !tbaa !23
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%8 = ptrtoint i32* %p.i.0.p.0.p.0..i to i64, !dbg !33
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%9 = and i64 %8, -70368744177665, !dbg !33
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%10 = inttoptr i64 %9 to i32*, !dbg !33
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%_msld2 = load i32, i32* %10, align 4, !dbg !33
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%11 = icmp ne i32 %_msld2, 0, !dbg !33
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%12 = xor i32 %_msld2, -1, !dbg !33
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%13 = and i32 %7, %12, !dbg !33
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%14 = icmp eq i32 %13, 0, !dbg !33
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%_msprop_icmp = and i1 %11, %14, !dbg !33
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br i1 %_msprop_icmp, label %15, label %16, !dbg !33, !prof !27
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; <label>:15 ; preds = %6
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call void @__msan_warning_noreturn(), !dbg !33
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call void asm sideeffect "", ""() #3, !dbg !33
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unreachable, !dbg !33
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; <label>:16 ; preds = %6
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%tobool.i = icmp eq i32 %7, 0, !dbg !33
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br i1 %tobool.i, label %_Z1fv.exit, label %if.then.i, !dbg !33
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if.then.i: ; preds = %16
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store i64 0, i64* getelementptr inbounds ([1000 x i64], [1000 x i64]* @__msan_param_tls, i64 0, i64 0), align 8, !dbg !34
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store i32 0, i32* bitcast ([8 x i64]* @__msan_retval_tls to i32*), align 8, !dbg !34
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%puts.i = call i32 @puts(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @str, i64 0, i64 0)), !dbg !34
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br label %_Z1fv.exit, !dbg !34
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_Z1fv.exit: ; preds = %16, %if.then.i
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call void @llvm.lifetime.end(i64 8, i8* %p.i.0..sroa_cast), !dbg !35
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store i32 0, i32* bitcast ([8 x i64]* @__msan_retval_tls to i32*), align 8, !dbg !36
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ret i32 0, !dbg !36
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}
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declare void @__msan_init()
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #2
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; Function Attrs: nounwind
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declare i32 @puts(i8* nocapture readonly) #3
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; Function Attrs: nounwind
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declare void @llvm.lifetime.start(i64, i8* nocapture) #3
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; Function Attrs: nounwind
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declare void @llvm.lifetime.end(i64, i8* nocapture) #3
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declare void @__msan_warning_noreturn()
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declare void @__msan_maybe_warning_1(i8, i32)
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declare void @__msan_maybe_store_origin_1(i8, i8*, i32)
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declare void @__msan_maybe_warning_2(i16, i32)
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declare void @__msan_maybe_store_origin_2(i16, i8*, i32)
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declare void @__msan_maybe_warning_4(i32, i32)
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declare void @__msan_maybe_store_origin_4(i32, i8*, i32)
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declare void @__msan_maybe_warning_8(i64, i32)
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declare void @__msan_maybe_store_origin_8(i64, i8*, i32)
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declare void @__msan_set_alloca_origin4(i8*, i64, i8*, i64)
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declare void @__msan_poison_stack(i8*, i64)
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declare i32 @__msan_chain_origin(i32)
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declare i8* @__msan_memmove(i8*, i8*, i64)
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declare i8* @__msan_memcpy(i8*, i8*, i64)
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declare i8* @__msan_memset(i8*, i32, i64)
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; Function Attrs: nounwind
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declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #3
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attributes #0 = { sanitize_memory 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" }
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attributes #1 = { nobuiltin "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" }
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attributes #2 = { nounwind readnone }
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attributes #3 = { nounwind }
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attributes #4 = { builtin }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!16, !17}
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!llvm.ident = !{!18}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 207243) (llvm/trunk 207259)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "foo.cpp", directory: "/usr/local/google/home/echristo/tmp")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", linkageName: "_Z1fv", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !8)
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!5 = !DIFile(filename: "foo.cpp", directory: "/usr/local/google/home/echristo/tmp")
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = !{!9}
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!9 = !DILocalVariable(name: "p", line: 4, scope: !4, file: !5, type: !10)
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!10 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !11)
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !12)
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!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!13 = distinct !DISubprogram(name: "main", line: 9, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 9, file: !1, scope: !5, type: !14, variables: !2)
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!14 = !DISubroutineType(types: !15)
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!15 = !{!12}
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!16 = !{i32 2, !"Dwarf Version", i32 4}
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!17 = !{i32 1, !"Debug Info Version", i32 3}
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!18 = !{!"clang version 3.5.0 (trunk 207243) (llvm/trunk 207259)"}
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!19 = !DILocation(line: 4, scope: !4)
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!20 = !DILocation(line: 5, scope: !21)
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!21 = distinct !DILexicalBlock(line: 5, column: 0, file: !1, scope: !4)
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!22 = !{!"branch_weights", i32 1000, i32 1}
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!23 = !{!24, !24, i64 0}
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!24 = !{!"int", !25, i64 0}
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!25 = !{!"omnipotent char", !26, i64 0}
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!26 = !{!"Simple C/C++ TBAA"}
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!27 = !{!"branch_weights", i32 1, i32 1000}
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!28 = !DILocation(line: 6, scope: !21)
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!29 = !DILocation(line: 7, scope: !4)
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!30 = !DILocation(line: 4, scope: !4, inlinedAt: !31)
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!31 = !DILocation(line: 10, scope: !13)
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!32 = !DILocalVariable(name: "p", line: 4, scope: !4, file: !5, type: !10)
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!33 = !DILocation(line: 5, scope: !21, inlinedAt: !31)
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!34 = !DILocation(line: 6, scope: !21, inlinedAt: !31)
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!35 = !DILocation(line: 7, scope: !4, inlinedAt: !31)
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!36 = !DILocation(line: 11, scope: !13)
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