1 ; RUN: llc < %s | FileCheck %s
2 ; RUN: llc -relocation-model=pic < %s | FileCheck %s
4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
5 target triple = "x86_64-unknown-linux-gnu"
7 @bit_mask8 = external hidden global i8, !absolute_symbol !0
8 @bit_mask32 = external hidden global i8, !absolute_symbol !1
9 @bit_mask64 = external hidden global i8, !absolute_symbol !2
13 define void @foo32(i32* %ptr) {
14 %load = load i32, i32* %ptr
15 %and = and i32 %load, 31
16 %shl = shl i32 1, %and
17 %and2 = and i32 %shl, ptrtoint (i8* @bit_mask32 to i32)
18 ; CHECK: movl $bit_mask32, %eax
19 ; CHECK: btl %ecx, %eax
20 %icmp = icmp eq i32 %and2, 0
21 br i1 %icmp, label %t, label %f
31 define void @foo64(i64* %ptr) {
32 %load = load i64, i64* %ptr
33 %and = and i64 %load, 63
34 %shl = shl i64 1, %and
35 %and2 = and i64 %shl, ptrtoint (i8* @bit_mask64 to i64)
36 ; CHECK: movabsq $bit_mask64, %rax
37 ; CHECK: btq %rcx, %rax
38 %icmp = icmp eq i64 %and2, 0
39 br i1 %icmp, label %t, label %f
49 !0 = !{i64 0, i64 256}
50 !1 = !{i64 0, i64 4294967296}
51 !2 = !{i64 -1, i64 -1}