xref: /llvm-project/llvm/test/CodeGen/PowerPC/alloca-oversized.ll (revision a51712751c184ebe056718c938d2526693a31564)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
2; RUN: llc < %s -mcpu=ppc -mtriple=powerpc-ibm-aix-xcoff | FileCheck %s
3define void @test_oversized(ptr %dst, i32 %cond) {
4; CHECK-LABEL: test_oversized:
5; CHECK:       # %bb.0: # %entry
6; CHECK-NEXT:    stw 31, -4(1)
7; CHECK-NEXT:    stwu 1, -80(1)
8; CHECK-NEXT:    cmplwi 4, 0
9; CHECK-NEXT:    mr 31, 1
10; CHECK-NEXT:    beq 0, L..BB0_2
11; CHECK-NEXT:  # %bb.1: # %if.then
12; CHECK-NEXT:    li 4, 0
13; CHECK-NEXT:    addi 5, 31, 80
14; CHECK-NEXT:    stwux 5, 1, 4
15; CHECK-NEXT:    addi 4, 1, 32
16; CHECK-NEXT:    b L..BB0_3
17; CHECK-NEXT:  L..BB0_2:
18; CHECK-NEXT:    addi 4, 31, 44
19; CHECK-NEXT:  L..BB0_3: # %if.end
20; CHECK-NEXT:    stw 4, 0(3)
21; CHECK-NEXT:    lwz 1, 0(1)
22; CHECK-NEXT:    lwz 31, -4(1)
23; CHECK-NEXT:    blr
24entry:
25  %0 = alloca [8 x i32], i32 1, align 4
26  %tobool = icmp ne i32 %cond, 0
27  br i1 %tobool, label %if.then, label %if.end
28
29if.then:
30  %vla1 = alloca [4294967295 x i32], i32 1, align 4
31  br label %if.end
32
33if.end:
34  %arr = phi ptr [%0, %entry], [%vla1, %if.then]
35  store ptr %arr, ptr %dst
36  ret void
37}
38