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; RUN: llc -march=hexagon -O2 -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s
; The purpose of this test is to make sure that the packetizer is ignoring
; CFI instructions while forming packet for allocframe. Refer to 7d7d99622
; which replaced PROLOG_LABEL with CFI_INSTRUCTION.
@g0 = external constant i8*
; We used to emit:
; {
; allocframe(#0)
; }
; {
; r0 = #4
; But we can put more instructions in the first packet.
; CHECK: {
; CHECK-NEXT: call f1
; CHECK-NEXT: r0 = #4
; CHECK-NEXT: allocframe(#0)
; CHECK-NEXT: }
define i32 @f0() personality i8* bitcast (i32 (...)* @f3 to i8*) {
b0:
%v0 = tail call i8* @f1(i32 4) #1
%v1 = bitcast i8* %v0 to i32*
store i32 20, i32* %v1, align 4, !tbaa !0
invoke void @f2(i8* %v0, i8* bitcast (i8** @g0 to i8*), i8* null) #2
to label %b4 unwind label %b1
b1: ; preds = %b0
%v2 = landingpad { i8*, i32 }
catch i8* bitcast (i8** @g0 to i8*)
%v3 = extractvalue { i8*, i32 } %v2, 1
%v4 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @g0 to i8*)) #1
%v5 = icmp eq i32 %v3, %v4
br i1 %v5, label %b2, label %b3
b2: ; preds = %b1
%v6 = extractvalue { i8*, i32 } %v2, 0
%v7 = tail call i8* @f4(i8* %v6) #1
tail call void @f5() #1
ret i32 1
b3: ; preds = %b1
resume { i8*, i32 } %v2
b4: ; preds = %b0
unreachable
}
declare i8* @f1(i32)
declare void @f2(i8*, i8*, i8*)
declare i32 @f3(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #0
declare i8* @f4(i8*)
declare void @f5()
attributes #0 = { nounwind readnone }
attributes #1 = { nounwind }
attributes #2 = { noreturn }
!0 = !{!1, !1, i64 0}
!1 = !{!"int", !2}
!2 = !{!"omnipotent char", !3}
!3 = !{!"Simple C/C++ TBAA"}
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