llvm-project/llvm/test/CodeGen/X86/inlineasm-sched-bug.ll
Nick Desaulniers 2e2c61ebd7
[x86] precommit test conversion via update_llc_test_checks.py (#67463)
I'm looking to update this test; pre-processing it with
update_llc_test_checks.py makes it clearer what I'm changing in #20571.
2023-09-26 15:22:11 -07:00

27 lines
786 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 3
; PR13504
; RUN: llc -mtriple=i686-- -mcpu=atom < %s | FileCheck %s
; Check that treemap is read before the asm statement.
define i32 @foo(i32 %treemap) nounwind {
; CHECK-LABEL: foo:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: pushl %eax
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: movl %eax, %ecx
; CHECK-NEXT: negl %ecx
; CHECK-NEXT: andl %eax, %ecx
; CHECK-NEXT: movl %ecx, (%esp)
; CHECK-NEXT: #APP
; CHECK-NEXT: bsfl (%esp), %eax
; CHECK-NEXT: #NO_APP
; CHECK-NEXT: popl %ecx
; CHECK-NEXT: retl
entry:
%sub = sub i32 0, %treemap
%and = and i32 %treemap, %sub
%0 = call i32 asm "bsfl $1,$0", "=r,rm"(i32 %and)
ret i32 %0
}