| ; RUN: llc < %s | FileCheck %s |
| ; RUN: llc -relocation-model=pic < %s | FileCheck %s |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @bit_mask8 = external hidden global i8, !absolute_symbol !0 |
| @bit_mask32 = external hidden global i8, !absolute_symbol !1 |
| @bit_mask64 = external hidden global i8, !absolute_symbol !2 |
| |
| declare void @f() |
| |
| define void @foo8(i8* %ptr) { |
| %load = load i8, i8* %ptr |
| ; CHECK: testb $bit_mask8, (%rdi) |
| %and = and i8 %load, ptrtoint (i8* @bit_mask8 to i8) |
| %icmp = icmp eq i8 %and, 0 |
| br i1 %icmp, label %t, label %f |
| |
| t: |
| call void @f() |
| ret void |
| |
| f: |
| ret void |
| } |
| |
| define void @foo32(i32* %ptr) { |
| %load = load i32, i32* %ptr |
| ; CHECK: testl $bit_mask32, (%rdi) |
| %and = and i32 %load, ptrtoint (i8* @bit_mask32 to i32) |
| %icmp = icmp eq i32 %and, 0 |
| br i1 %icmp, label %t, label %f |
| |
| t: |
| call void @f() |
| ret void |
| |
| f: |
| ret void |
| } |
| |
| define void @foo64(i64* %ptr) { |
| %load = load i64, i64* %ptr |
| ; CHECK: movabsq $bit_mask64, %rax |
| ; CHECK: testq %rax, (%rdi) |
| %and = and i64 %load, ptrtoint (i8* @bit_mask64 to i64) |
| %icmp = icmp eq i64 %and, 0 |
| br i1 %icmp, label %t, label %f |
| |
| t: |
| call void @f() |
| ret void |
| |
| f: |
| ret void |
| } |
| |
| !0 = !{i64 0, i64 256} |
| !1 = !{i64 0, i64 4294967296} |
| !2 = !{i64 -1, i64 -1} |
