| ; RUN: llc -march=hexagon -O2 < %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"} |
