llvm-project/llvm/test/CodeGen/Hexagon/packetize-allocframe.ll
Fangrui Song 2208c97c1b [Hexagon,test] Change llc -march= to -mtriple=
Similar to 806761a7629df268c8aed49657aeccffa6bca449

-mtriple= specifies the full target triple while -march= merely sets the
architecture part of the default target triple, leaving a target triple which
may not make sense.

Therefore, -march= is error-prone and not recommended for tests without a target
triple. The issue has been benign as we recognize $unknown-apple-darwin as ELF instead
of rejecting it outrightly.
2024-12-15 10:20:22 -08:00

72 lines
1.8 KiB
LLVM

; RUN: llc -mtriple=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 ptr
; 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 ptr @f3 {
b0:
%v0 = tail call ptr @f1(i32 4) #1
store i32 20, ptr %v0, align 4, !tbaa !0
invoke void @f2(ptr %v0, ptr @g0, ptr null) #2
to label %b4 unwind label %b1
b1: ; preds = %b0
%v2 = landingpad { ptr, i32 }
catch ptr @g0
%v3 = extractvalue { ptr, i32 } %v2, 1
%v4 = tail call i32 @llvm.eh.typeid.for(ptr @g0) #1
%v5 = icmp eq i32 %v3, %v4
br i1 %v5, label %b2, label %b3
b2: ; preds = %b1
%v6 = extractvalue { ptr, i32 } %v2, 0
%v7 = tail call ptr @f4(ptr %v6) #1
tail call void @f5() #1
ret i32 1
b3: ; preds = %b1
resume { ptr, i32 } %v2
b4: ; preds = %b0
unreachable
}
declare ptr @f1(i32)
declare void @f2(ptr, ptr, ptr)
declare i32 @f3(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(ptr) #0
declare ptr @f4(ptr)
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"}