xref: /llvm-project/llvm/test/CodeGen/X86/2008-09-29-VolatileBug.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s -mtriple=i686-- | FileCheck %s
3; PR2835
4
5@g_407 = internal global i32 0		; <ptr> [#uses=1]
6@llvm.used = appending global [1 x ptr] [ ptr @main ], section "llvm.metadata"		; <ptr> [#uses=0]
7
8define i32 @main() nounwind {
9; CHECK-LABEL: main:
10; CHECK:       # %bb.0: # %entry
11; CHECK-NEXT:    movl g_407, %eax
12; CHECK-NEXT:    movzbl %al, %eax
13; CHECK-NEXT:    pushl %eax
14; CHECK-NEXT:    calll func_45@PLT
15; CHECK-NEXT:    addl $4, %esp
16; CHECK-NEXT:    xorl %eax, %eax
17; CHECK-NEXT:    retl
18entry:
19	%0 = load volatile i32, ptr @g_407, align 4		; <i32> [#uses=1]
20	%1 = trunc i32 %0 to i8		; <i8> [#uses=1]
21	%2 = tail call i32 @func_45(i8 zeroext %1) nounwind		; <i32> [#uses=0]
22	ret i32 0
23}
24
25declare i32 @func_45(i8 zeroext) nounwind
26