duplicate-phi-preds-crash.ll
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; RUN: opt -S -hotcoldsplit -hotcoldsplit-threshold=0 < %s | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.14.0"
declare void @sideeffect(i64)
declare i8* @realloc(i8* %ptr, i64 %size)
declare void @free(i8* %ptr)
declare void @sink() cold
; CHECK-LABEL: define {{.*}}@realloc2(
; CHECK: call {{.*}}@sideeffect(
; CHECK: call {{.*}}@realloc(
; CHECK-LABEL: codeRepl:
; CHECK: call {{.*}}@realloc2.cold.1(i64 %size, i8* %ptr, i8** %retval.0.ce.loc)
; CHECK-LABEL: cleanup:
; CHECK-NEXT: phi i8* [ null, %if.then ], [ %call, %if.end ], [ %retval.0.ce.reload, %codeRepl ]
define i8* @realloc2(i8* %ptr, i64 %size) {
entry:
%0 = add i64 %size, -1
%1 = icmp ugt i64 %0, 184549375
br i1 %1, label %if.then, label %if.end
if.then: ; preds = %entry
call void @sideeffect(i64 %size)
br label %cleanup
if.end: ; preds = %entry
%call = call i8* @realloc(i8* %ptr, i64 %size)
%tobool1 = icmp eq i8* %call, null
br i1 %tobool1, label %if.then2, label %cleanup
if.then2: ; preds = %if.end
call void @sideeffect(i64 %size)
call void @sink()
%tobool3 = icmp eq i8* %ptr, null
br i1 %tobool3, label %cleanup, label %if.then4
if.then4: ; preds = %if.then2
call void @free(i8* %ptr)
br label %cleanup
cleanup: ; preds = %if.end, %if.then4, %if.then2, %if.then
%retval.0 = phi i8* [ null, %if.then ], [ null, %if.then2 ], [ null, %if.then4 ], [ %call, %if.end ]
ret i8* %retval.0
}
; CHECK-LABEL: define {{.*}}@realloc2.cold.1(
; CHECK: call {{.*}}@sideeffect
; CHECK: call {{.*}}@sink
; CHECK: call {{.*}}@free