1; RUN: llc < %s | FileCheck %s 2; RUN: llc -relocation-model=pic < %s | FileCheck %s 3 4target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 5target triple = "x86_64-unknown-linux-gnu" 6 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 10 11declare void @f() 12 13define void @foo32(ptr %ptr) { 14 %load = load i32, ptr %ptr 15 %and = and i32 %load, 31 16 %shl = shl i32 1, %and 17 %and2 = and i32 %shl, ptrtoint (ptr @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 22 23t: 24 call void @f() 25 ret void 26 27f: 28 ret void 29} 30 31define void @foo64(ptr %ptr) { 32 %load = load i64, ptr %ptr 33 %and = and i64 %load, 63 34 %shl = shl i64 1, %and 35 %and2 = and i64 %shl, ptrtoint (ptr @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 40 41t: 42 call void @f() 43 ret void 44 45f: 46 ret void 47} 48 49!0 = !{i64 0, i64 256} 50!1 = !{i64 0, i64 4294967296} 51!2 = !{i64 -1, i64 -1} 52