llvm-project/llvm/test/CodeGen/X86/isel-sink2.ll

28 lines
726 B
LLVM

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=i686-- | FileCheck %s
define i8 @test(i32 *%P) nounwind {
; CHECK-LABEL: test:
; CHECK: # %bb.0:
; CHECK-NEXT: movl {{[0-9]+}}(%esp), %eax
; CHECK-NEXT: cmpb $0, 4(%eax)
; CHECK-NEXT: je .LBB0_1
; CHECK-NEXT: # %bb.2: # %F
; CHECK-NEXT: movb 7(%eax), %al
; CHECK-NEXT: retl
; CHECK-NEXT: .LBB0_1: # %TB
; CHECK-NEXT: movb $4, %al
; CHECK-NEXT: retl
%Q = getelementptr i32, i32* %P, i32 1
%R = bitcast i32* %Q to i8*
%S = load i8, i8* %R
%T = icmp eq i8 %S, 0
br i1 %T, label %TB, label %F
TB:
ret i8 4
F:
%U = getelementptr i8, i8* %R, i32 3
%V = load i8, i8* %U
ret i8 %V
}