1; RUN: llc -mtriple=hexagon -O2 -simplifycfg-require-and-preserve-domtree=1 < %s | FileCheck %s 2 3; The purpose of this test is to make sure that the packetizer is ignoring 4; CFI instructions while forming packet for allocframe. Refer to 7d7d99622 5; which replaced PROLOG_LABEL with CFI_INSTRUCTION. 6 7@g0 = external constant ptr 8 9; We used to emit: 10; { 11; allocframe(#0) 12; } 13; { 14; r0 = #4 15; But we can put more instructions in the first packet. 16 17; CHECK: { 18; CHECK-NEXT: call f1 19; CHECK-NEXT: r0 = #4 20; CHECK-NEXT: allocframe(#0) 21; CHECK-NEXT: } 22 23define i32 @f0() personality ptr @f3 { 24b0: 25 %v0 = tail call ptr @f1(i32 4) #1 26 store i32 20, ptr %v0, align 4, !tbaa !0 27 invoke void @f2(ptr %v0, ptr @g0, ptr null) #2 28 to label %b4 unwind label %b1 29 30b1: ; preds = %b0 31 %v2 = landingpad { ptr, i32 } 32 catch ptr @g0 33 %v3 = extractvalue { ptr, i32 } %v2, 1 34 %v4 = tail call i32 @llvm.eh.typeid.for(ptr @g0) #1 35 %v5 = icmp eq i32 %v3, %v4 36 br i1 %v5, label %b2, label %b3 37 38b2: ; preds = %b1 39 %v6 = extractvalue { ptr, i32 } %v2, 0 40 %v7 = tail call ptr @f4(ptr %v6) #1 41 tail call void @f5() #1 42 ret i32 1 43 44b3: ; preds = %b1 45 resume { ptr, i32 } %v2 46 47b4: ; preds = %b0 48 unreachable 49} 50 51declare ptr @f1(i32) 52 53declare void @f2(ptr, ptr, ptr) 54 55declare i32 @f3(...) 56 57; Function Attrs: nounwind readnone 58declare i32 @llvm.eh.typeid.for(ptr) #0 59 60declare ptr @f4(ptr) 61 62declare void @f5() 63 64attributes #0 = { nounwind readnone } 65attributes #1 = { nounwind } 66attributes #2 = { noreturn } 67 68!0 = !{!1, !1, i64 0} 69!1 = !{!"int", !2} 70!2 = !{!"omnipotent char", !3} 71!3 = !{!"Simple C/C++ TBAA"} 72