1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -mcpu=generic -march=x86-64 | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker; Verify that we are using the efficient uitofp --> sitofp lowering illustrated 3*9880d681SAndroid Build Coastguard Worker; by the compiler_rt implementation of __floatundisf. 4*9880d681SAndroid Build Coastguard Worker; <rdar://problem/8493982> 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Workertarget 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" 7*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-darwin10.0.0" 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Worker; CHECK: andl 10*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: testq %rdi, %rdi 11*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: js LBB0_1 12*9880d681SAndroid Build Coastguard Worker; CHECK: cvtsi2ss 13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret 14*9880d681SAndroid Build Coastguard Worker; CHECK: LBB0_1 15*9880d681SAndroid Build Coastguard Worker; CHECK: shrq 16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: orq 17*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: cvtsi2ss 18*9880d681SAndroid Build Coastguard Workerdefine float @test(i64 %a) { 19*9880d681SAndroid Build Coastguard Workerentry: 20*9880d681SAndroid Build Coastguard Worker %b = uitofp i64 %a to float 21*9880d681SAndroid Build Coastguard Worker ret float %b 22*9880d681SAndroid Build Coastguard Worker} 23