xref: /llvm-project/llvm/test/CodeGen/X86/pr43529.ll (revision e6bf48d11047e970cb24554a01b65b566d6b5d22)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i386-unknown-linux-gnu | FileCheck %s
3
4define i32 @a() nounwind {
5; CHECK-LABEL: a:
6; CHECK:       # %bb.0: # %entry
7; CHECK-NEXT:    pushl %esi
8; CHECK-NEXT:    subl $8, %esp
9; CHECK-NEXT:    leal {{[0-9]+}}(%esp), %esi
10; CHECK-NEXT:    movl %esi, %eax
11; CHECK-NEXT:    subl $a, %eax
12; CHECK-NEXT:    calll d@PLT
13; CHECK-NEXT:    cmpl $a, %esi
14; CHECK-NEXT:    jbe .LBB0_2
15; CHECK-NEXT:    .p2align 4
16; CHECK-NEXT:  .LBB0_1: # %for.cond
17; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
18; CHECK-NEXT:    jmp .LBB0_1
19; CHECK-NEXT:  .LBB0_2: # %for.end.split
20; CHECK-NEXT:    addl $8, %esp
21; CHECK-NEXT:    popl %esi
22; CHECK-NEXT:    retl
23entry:
24  %b = alloca i32, align 4
25  %0 = ptrtoint ptr %b to i32
26  %sub = sub nsw i32 %0, ptrtoint (ptr @a to i32)
27  %call = call i32 @d(i32 inreg %sub)
28  %cmp = icmp ugt ptr %b, @a
29  br i1 %cmp, label %for.cond, label %for.end.split
30
31for.cond:                                         ; preds = %entry, %for.cond
32  br label %for.cond
33
34for.end.split:                                    ; preds = %entry
35  ret i32 undef
36}
37
38declare i32 @d(...)
39