llvm-project/llvm/test/CodeGen/X86/2008-09-11-CoalescerBug2.ll

64 lines
1.9 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686--
; RUN: llc -pre-RA-sched=source < %s -mtriple=i686-unknown-linux -mcpu=corei7 | FileCheck %s --check-prefix=SOURCE-SCHED
; PR2748
@g_73 = external global i32
@g_5 = external global i32
define i32 @func_44(i16 signext %p_46) nounwind {
; SOURCE-SCHED-LABEL: func_44:
; SOURCE-SCHED: # %bb.0: # %entry
; SOURCE-SCHED-NEXT: subl $12, %esp
; SOURCE-SCHED-NEXT: movl g_5, %eax
; SOURCE-SCHED-NEXT: sarl %eax
; SOURCE-SCHED-NEXT: xorl %ecx, %ecx
; SOURCE-SCHED-NEXT: cmpl $1, %eax
; SOURCE-SCHED-NEXT: setg %cl
; SOURCE-SCHED-NEXT: movb g_73, %dl
; SOURCE-SCHED-NEXT: xorl %eax, %eax
; SOURCE-SCHED-NEXT: subb {{[0-9]+}}(%esp), %al
; SOURCE-SCHED-NEXT: testb %dl, %dl
; SOURCE-SCHED-NEXT: jne .LBB0_2
; SOURCE-SCHED-NEXT: # %bb.1: # %bb11
; SOURCE-SCHED-NEXT: movzbl %al, %eax
; SOURCE-SCHED-NEXT: divb %dl
; SOURCE-SCHED-NEXT: movzbl %ah, %eax
; SOURCE-SCHED-NEXT: .LBB0_2: # %bb12
; SOURCE-SCHED-NEXT: xorl %edx, %edx
; SOURCE-SCHED-NEXT: testb %al, %al
; SOURCE-SCHED-NEXT: setne %dl
; SOURCE-SCHED-NEXT: subl $4, %esp
; SOURCE-SCHED-NEXT: pushl $0
; SOURCE-SCHED-NEXT: pushl %ecx
; SOURCE-SCHED-NEXT: pushl %edx
; SOURCE-SCHED-NEXT: calll func_48
; SOURCE-SCHED-NEXT: addl $28, %esp
; SOURCE-SCHED-NEXT: retl
entry:
%0 = load i32, i32* @g_5, align 4
%1 = ashr i32 %0, 1
%2 = icmp sgt i32 %1, 1
%3 = zext i1 %2 to i32
%4 = load i32, i32* @g_73, align 4
%5 = zext i16 %p_46 to i64
%6 = sub i64 0, %5
%7 = trunc i64 %6 to i8
%8 = trunc i32 %4 to i8
%9 = icmp eq i8 %8, 0
br i1 %9, label %bb11, label %bb12
bb11:
%10 = urem i8 %7, %8
br label %bb12
bb12:
%.014.in = phi i8 [ %10, %bb11 ], [ %7, %entry ]
%11 = icmp ne i8 %.014.in, 0
%12 = zext i1 %11 to i32
%13 = tail call i32 (...) @func_48( i32 %12, i32 %3, i32 0 ) nounwind
ret i32 undef
}
declare i32 @func_48(...)