1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s -verify-machineinstrs -mcpu=generic -mtriple=x86_64-linux | FileCheck %s 2*9880d681SAndroid Build Coastguard Worker 3*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-S128" 4*9880d681SAndroid Build Coastguard Workertarget triple = "x86_64-apple-macosx10.7.0" 5*9880d681SAndroid Build Coastguard Worker 6*9880d681SAndroid Build Coastguard Worker; In the code below we need to copy the EFLAGS because of scheduling constraints. 7*9880d681SAndroid Build Coastguard Worker; When copying the EFLAGS we need to write to the stack with push/pop. This forces 8*9880d681SAndroid Build Coastguard Worker; us to emit the prolog. 9*9880d681SAndroid Build Coastguard Worker 10*9880d681SAndroid Build Coastguard Worker; CHECK: main 11*9880d681SAndroid Build Coastguard Worker; CHECK: subq{{.*}}rsp 12*9880d681SAndroid Build Coastguard Worker; CHECK: ret 13*9880d681SAndroid Build Coastguard Workerdefine i32 @main(i32 %arg, i8** %arg1) nounwind { 14*9880d681SAndroid Build Coastguard Workerbb: 15*9880d681SAndroid Build Coastguard Worker %tmp = alloca i32, align 4 ; [#uses=3 type=i32*] 16*9880d681SAndroid Build Coastguard Worker %tmp2 = alloca i32, align 4 ; [#uses=3 type=i32*] 17*9880d681SAndroid Build Coastguard Worker %tmp3 = alloca i32 ; [#uses=1 type=i32*] 18*9880d681SAndroid Build Coastguard Worker store i32 1, i32* %tmp, align 4 19*9880d681SAndroid Build Coastguard Worker store i32 1, i32* %tmp2, align 4 20*9880d681SAndroid Build Coastguard Worker br label %bb4 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerbb4: ; preds = %bb4, %bb 23*9880d681SAndroid Build Coastguard Worker %tmp6 = load i32, i32* %tmp2, align 4 ; [#uses=1 type=i32] 24*9880d681SAndroid Build Coastguard Worker %tmp7 = add i32 %tmp6, -1 ; [#uses=2 type=i32] 25*9880d681SAndroid Build Coastguard Worker store i32 %tmp7, i32* %tmp2, align 4 26*9880d681SAndroid Build Coastguard Worker %tmp8 = icmp eq i32 %tmp7, 0 ; [#uses=1 type=i1] 27*9880d681SAndroid Build Coastguard Worker %tmp9 = load i32, i32* %tmp ; [#uses=1 type=i32] 28*9880d681SAndroid Build Coastguard Worker %tmp10 = add i32 %tmp9, -1 ; [#uses=1 type=i32] 29*9880d681SAndroid Build Coastguard Worker store i32 %tmp10, i32* %tmp3 30*9880d681SAndroid Build Coastguard Worker br i1 %tmp8, label %bb11, label %bb4 31*9880d681SAndroid Build Coastguard Worker 32*9880d681SAndroid Build Coastguard Workerbb11: ; preds = %bb4 33*9880d681SAndroid Build Coastguard Worker %tmp12 = load i32, i32* %tmp, align 4 ; [#uses=1 type=i32] 34*9880d681SAndroid Build Coastguard Worker ret i32 %tmp12 35*9880d681SAndroid Build Coastguard Worker} 36*9880d681SAndroid Build Coastguard Worker 37*9880d681SAndroid Build Coastguard Worker 38