| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s | FileCheck %s |
| ; RUN: llc -relocation-model=pic < %s | FileCheck %s --check-prefix=PIC |
| |
| target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-unknown-linux-gnu" |
| |
| @foo = external global i8, align 1, !absolute_symbol !0 |
| |
| define void @bar(ptr %x) { |
| ; CHECK-LABEL: bar: |
| ; CHECK: # %bb.0: # %entry |
| ; CHECK-NEXT: testb $foo, (%rdi) |
| ; CHECK-NEXT: je .LBB0_1 |
| ; CHECK-NEXT: # %bb.2: # %if.then |
| ; CHECK-NEXT: xorl %eax, %eax |
| ; CHECK-NEXT: jmp xf@PLT # TAILCALL |
| ; CHECK-NEXT: .LBB0_1: # %if.end |
| ; CHECK-NEXT: retq |
| ; |
| ; PIC-LABEL: bar: |
| ; PIC: # %bb.0: # %entry |
| ; PIC-NEXT: testb $foo, (%rdi) |
| ; PIC-NEXT: je .LBB0_1 |
| ; PIC-NEXT: # %bb.2: # %if.then |
| ; PIC-NEXT: xorl %eax, %eax |
| ; PIC-NEXT: jmp xf@PLT # TAILCALL |
| ; PIC-NEXT: .LBB0_1: # %if.end |
| ; PIC-NEXT: retq |
| entry: |
| %0 = load i8, ptr %x, align 1 |
| %conv = sext i8 %0 to i32 |
| %ext = sext i8 ptrtoint (ptr @foo to i8) to i32 |
| %and = and i32 %conv, %ext |
| %tobool = icmp eq i32 %and, 0 |
| br i1 %tobool, label %if.end, label %if.then |
| |
| if.then: ; preds = %entry |
| tail call void (...) @xf() |
| br label %if.end |
| |
| if.end: ; preds = %entry, %if.then |
| ret void |
| } |
| |
| declare void @xf(...) |
| |
| !0 = !{i64 0, i64 256} |