aboutsummaryrefslogtreecommitdiffstats
path: root/test/CodeGen/X86/shift-combine.ll
blob: ec62bcdcdba1b1f73b76a6e649c2d16668c7af3c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
; RUN: llc -march=x86 < %s | FileCheck %s

@array = weak global [4 x i32] zeroinitializer

define i32 @test_lshr_and(i32 %x) {
; CHECK-LABEL: test_lshr_and:
; CHECK-NOT: shrl
; CHECK: andl $12,
; CHECK: movl {{.*}}array{{.*}},
; CHECK: ret

entry:
  %tmp2 = lshr i32 %x, 2
  %tmp3 = and i32 %tmp2, 3
  %tmp4 = getelementptr [4 x i32], [4 x i32]* @array, i32 0, i32 %tmp3
  %tmp5 = load i32, i32* %tmp4, align 4
  ret i32 %tmp5
}