1 ; RUN: llc < %s -O0 -march=x86 | FileCheck %s 2 3 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 4 target triple = "x86_64-unknown-linux-gnu" 5 6 @glbl = extern_weak constant i8 7 8 declare i64 @llvm.expect.i64(i64, i64) 9 10 define void @test() { 11 ; CHECK: movl $glbl 12 %tmp = call i64 @llvm.expect.i64(i64 zext (i1 icmp eq (i8* @glbl, i8* null) to i64), i64 0) 13 %tmp2 = icmp ne i64 %tmp, 0 14 br i1 %tmp2, label %bb1, label %bb2 15 16 bb1: 17 unreachable 18 19 bb2: 20 unreachable 21 } 22
