; RUN: llc -regalloc=greedy -verify-coalescing -mtriple=x86_64-unknown-linux-gnu < %s
; Check the live range is updated properly after register coalescing.
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
@.str = internal unnamed_addr constant { [17 x i8], [47 x i8] } { [17 x i8] c"0123456789ABCDEF\00", [47 x i8] zeroinitializer }, align 32
@b = common local_unnamed_addr global i32 0, align 4
@a = common local_unnamed_addr global i32* null, align 8
@__sancov_gen_cov = private global [9 x i32] zeroinitializer
; Function Attrs: nounwind sanitize_address
define void @fn2(i8* %p1) local_unnamed_addr #0 {
entry:
%0 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 4) to i32*) monotonic, align 4
%1 = icmp sge i32 0, %0
br i1 %1, label %2, label %3
; <label>:2: ; preds = %entry
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 4) to i32*))
call void asm sideeffect "", ""()
br label %3
; <label>:3: ; preds = %entry, %2
br label %while.cond.outer
while.cond.outer: ; preds = %75, %3
%e.0.ph = phi i8* [ %e.058, %75 ], [ undef, %3 ]
%c.0.ph = phi i32* [ %c.059, %75 ], [ undef, %3 ]
%p1.addr.0.ph = phi i8* [ %incdec.ptr60, %75 ], [ %p1, %3 ]
%4 = ptrtoint i8* %p1.addr.0.ph to i64
%5 = lshr i64 %4, 3
%6 = add i64 %5, 2147450880
%7 = inttoptr i64 %6 to i8*
%8 = load i8, i8* %7
%9 = icmp ne i8 %8, 0
br i1 %9, label %10, label %15
; <label>:10: ; preds = %while.cond.outer
%11 = and i64 %4, 7
%12 = trunc i64 %11 to i8
%13 = icmp sge i8 %12, %8
br i1 %13, label %14, label %15
; <label>:14: ; preds = %10
call void @__asan_report_load1(i64 %4)
call void asm sideeffect "", ""()
unreachable
; <label>:15: ; preds = %10, %while.cond.outer
%16 = load i8, i8* %p1.addr.0.ph, align 1
call void @__sanitizer_cov_trace_cmp1(i8 %16, i8 0)
%cmp57 = icmp eq i8 %16, 0
br i1 %cmp57, label %while.cond.outer.enoent.loopexit96_crit_edge, label %while.body.preheader
while.cond.outer.enoent.loopexit96_crit_edge: ; preds = %15
%17 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 8) to i32*) monotonic, align 4
%18 = icmp sge i32 0, %17
br i1 %18, label %19, label %20
; <label>:19: ; preds = %while.cond.outer.enoent.loopexit96_crit_edge
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 8) to i32*))
call void asm sideeffect "", ""()
br label %20
; <label>:20: ; preds = %while.cond.outer.enoent.loopexit96_crit_edge, %19
br label %enoent.loopexit96
while.body.preheader: ; preds = %15
br label %while.body
while.body: ; preds = %56, %while.body.preheader
%21 = phi i8 [ %52, %56 ], [ %16, %while.body.preheader ]
%p1.addr.0.ph.pn = phi i8* [ %incdec.ptr60, %56 ], [ %p1.addr.0.ph, %while.body.preheader ]
%c.059 = phi i32* [ %incdec.ptr18, %56 ], [ %c.0.ph, %while.body.preheader ]
%e.058 = phi i8* [ %incdec.ptr60, %56 ], [ %e.0.ph, %while.body.preheader ]
%incdec.ptr60 = getelementptr inbounds i8, i8* %p1.addr.0.ph.pn, i64 1
%conv = sext i8 %21 to i32
%call = tail call i32 (i8*, i32, ...) bitcast (i32 (...)* @fn3 to i32 (i8*, i32, ...)*)(i8* getelementptr inbounds ({ [17 x i8], [47 x i8] }, { [17 x i8], [47 x i8] }* @.str, i32 0, i32 0, i64 0), i32 %conv) #2
call void @__sanitizer_cov_trace_cmp4(i32 %call, i32 0)
%tobool = icmp eq i32 %call, 0
br i1 %tobool, label %if.end5, label %cleanup
if.end5: ; preds = %while.body
call void @__sanitizer_cov_trace_cmp1(i8 %21, i8 58)
%cmp6 = icmp eq i8 %21, 58
br i1 %cmp6, label %if.end14, label %cleanup.thread40
if.end14: ; preds = %if.end5
%22 = load i8, i8* inttoptr (i64 add (i64 lshr (i64 ptrtoint (i32** @a to i64), i64 3), i64 2147450880) to i8*)
%23 = icmp ne i8 %22, 0
br i1 %23, label %24, label %25
; <label>:24: ; preds = %if.end14
call void @__asan_report_load8(i64 ptrtoint (i32** @a to i64))
call void asm sideeffect "", ""()
unreachable
; <label>:25: ; preds = %if.end14
%26 = load i32*, i32** @a, align 8
%tobool15 = icmp eq i32* %26, null
br i1 %tobool15, label %cleanup.thread39, label %cleanup23.loopexit
cleanup.thread39: ; preds = %25
%incdec.ptr18 = getelementptr inbounds i32, i32* %c.059, i64 1
%27 = ptrtoint i32* %c.059 to i64
%28 = lshr i64 %27, 3
%29 = add i64 %28, 2147450880
%30 = inttoptr i64 %29 to i8*
%31 = load i8, i8* %30
%32 = icmp ne i8 %31, 0
br i1 %32, label %33, label %39
; <label>:33: ; preds = %cleanup.thread39
%34 = and i64 %27, 7
%35 = add i64 %34, 3
%36 = trunc i64 %35 to i8
%37 = icmp sge i8 %36, %31
br i1 %37, label %38, label %39
; <label>:38: ; preds = %33
call void @__asan_report_store4(i64 %27)
call void asm sideeffect "", ""()
unreachable
; <label>:39: ; preds = %33, %cleanup.thread39
store i32 0, i32* %c.059, align 4
%40 = ptrtoint i8* %incdec.ptr60 to i64
%41 = lshr i64 %40, 3
%42 = add i64 %41, 2147450880
%43 = inttoptr i64 %42 to i8*
%44 = load i8, i8* %43
%45 = icmp ne i8 %44, 0
br i1 %45, label %46, label %51
; <label>:46: ; preds = %39
%47 = and i64 %40, 7
%48 = trunc i64 %47 to i8
%49 = icmp sge i8 %48, %44
br i1 %49, label %50, label %51
; <label>:50: ; preds = %46
call void @__asan_report_load1(i64 %40)
call void asm sideeffect "", ""()
unreachable
; <label>:51: ; preds = %46, %39
%52 = load i8, i8* %incdec.ptr60, align 1
call void @__sanitizer_cov_trace_cmp1(i8 %52, i8 0)
%cmp = icmp eq i8 %52, 0
br i1 %cmp, label %enoent.loopexit, label %cleanup.thread39.while.body_crit_edge
cleanup.thread39.while.body_crit_edge: ; preds = %51
%53 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 12) to i32*) monotonic, align 4
%54 = icmp sge i32 0, %53
br i1 %54, label %55, label %56
; <label>:55: ; preds = %cleanup.thread39.while.body_crit_edge
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 12) to i32*))
call void asm sideeffect "", ""()
br label %56
; <label>:56: ; preds = %cleanup.thread39.while.body_crit_edge, %55
br label %while.body
cleanup.thread40: ; preds = %if.end5
%57 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 16) to i32*) monotonic, align 4
%58 = icmp sge i32 0, %57
br i1 %58, label %59, label %60
; <label>:59: ; preds = %cleanup.thread40
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 16) to i32*))
call void asm sideeffect "", ""()
br label %60
; <label>:60: ; preds = %cleanup.thread40, %59
%call20 = tail call i32 (i8*, ...) bitcast (i32 (...)* @fn4 to i32 (i8*, ...)*)(i8* %e.058) #2
br label %enoent
cleanup: ; preds = %while.body
%61 = load i8, i8* inttoptr (i64 add (i64 lshr (i64 ptrtoint (i32* @b to i64), i64 3), i64 2147450880) to i8*)
%62 = icmp ne i8 %61, 0
br i1 %62, label %63, label %66
; <label>:63: ; preds = %cleanup
%64 = icmp sge i8 trunc (i64 add (i64 and (i64 ptrtoint (i32* @b to i64), i64 7), i64 3) to i8), %61
br i1 %64, label %65, label %66
; <label>:65: ; preds = %63
call void @__asan_report_load4(i64 ptrtoint (i32* @b to i64))
call void asm sideeffect "", ""()
unreachable
; <label>:66: ; preds = %63, %cleanup
%67 = load i32, i32* @b, align 4
call void @__sanitizer_cov_trace_cmp4(i32 %67, i32 0)
%tobool3 = icmp eq i32 %67, 0
br i1 %tobool3, label %cleanup.while.cond.outer_crit_edge, label %cleanup.enoent.loopexit96_crit_edge
cleanup.enoent.loopexit96_crit_edge: ; preds = %66
%68 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 20) to i32*) monotonic, align 4
%69 = icmp sge i32 0, %68
br i1 %69, label %70, label %71
; <label>:70: ; preds = %cleanup.enoent.loopexit96_crit_edge
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 20) to i32*))
call void asm sideeffect "", ""()
br label %71
; <label>:71: ; preds = %cleanup.enoent.loopexit96_crit_edge, %70
br label %enoent.loopexit96
cleanup.while.cond.outer_crit_edge: ; preds = %66
%72 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 24) to i32*) monotonic, align 4
%73 = icmp sge i32 0, %72
br i1 %73, label %74, label %75
; <label>:74: ; preds = %cleanup.while.cond.outer_crit_edge
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 24) to i32*))
call void asm sideeffect "", ""()
br label %75
; <label>:75: ; preds = %cleanup.while.cond.outer_crit_edge, %74
br label %while.cond.outer
enoent.loopexit: ; preds = %51
%76 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 28) to i32*) monotonic, align 4
%77 = icmp sge i32 0, %76
br i1 %77, label %78, label %79
; <label>:78: ; preds = %enoent.loopexit
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 28) to i32*))
call void asm sideeffect "", ""()
br label %79
; <label>:79: ; preds = %enoent.loopexit, %78
br label %enoent
enoent.loopexit96: ; preds = %71, %20
br label %enoent
enoent: ; preds = %enoent.loopexit96, %79, %60
%call22 = tail call i32* (...) @fn1() #2
br label %cleanup23
cleanup23.loopexit: ; preds = %25
%80 = load atomic i32, i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 32) to i32*) monotonic, align 4
%81 = icmp sge i32 0, %80
br i1 %81, label %82, label %83
; <label>:82: ; preds = %cleanup23.loopexit
call void @__sanitizer_cov(i32* inttoptr (i64 add (i64 ptrtoint ([9 x i32]* @__sancov_gen_cov to i64), i64 32) to i32*))
call void asm sideeffect "", ""()
br label %83
; <label>:83: ; preds = %cleanup23.loopexit, %82
br label %cleanup23
cleanup23: ; preds = %83, %enoent
ret void
}
declare i32 @fn3(...) local_unnamed_addr #1
declare i32 @fn4(...) local_unnamed_addr #1
declare i32* @fn1(...) local_unnamed_addr #1
declare void @__sanitizer_cov(i32*)
declare void @__sanitizer_cov_trace_cmp1(i8, i8)
declare void @__sanitizer_cov_trace_cmp4(i32, i32)
declare void @__asan_report_load1(i64)
declare void @__asan_report_load4(i64)
declare void @__asan_report_load8(i64)
declare void @__asan_report_store4(i64)