xref: /llvm-project/llvm/test/CodeGen/PowerPC/aix-emit-tracebacktable-ssp.ll (revision 427fb35192f1f7bb694a5910b05abc5925a798b2) 
1; RUN: llc -aix-ssp-tb-bit -mtriple=powerpc64-ibm-aix-xcoff -O0 < %s | FileCheck %s
2
3; CHECK-LABEL: f:
4; CHECK: __ssp_canary_word
5; CHECK: TB_SSP_CANARY
6define i32 @f() #0 personality ptr @__xlcxx_personality_v1 {
7  invoke i32 undef(ptr undef)
8    to label %invoke unwind label %lpad
9
10  invoke:
11    %var = alloca i32, align 4
12    store i32 0, ptr %var, align 4
13    %gep = getelementptr inbounds i32, ptr %var, i32 1
14    %ret = load i32, ptr %gep, align 4
15    ret i32 %ret
16  lpad:
17    landingpad { ptr, i32 }
18  catch ptr null
19    unreachable
20
21}
22
23; CHECK-LABEL: f2:
24; CHECK: __ssp_canary_word
25; Not emitting traceback bit when no unwinding needed.
26; CHECK-NOT: TB_SSP_CANARY
27define i32 @f2() #0 {
28  %var = alloca i32, align 4
29  store i32 0, ptr %var, align 4
30  %gep = getelementptr inbounds i32, ptr %var, i32 1
31  %ret = load i32, ptr %gep, align 4
32  ret i32 %ret
33}
34
35declare i32 @__xlcxx_personality_v1(...)
36attributes #0 = { sspstrong }
37
38