xref: /aosp_15_r20/external/llvm/test/CodeGen/X86/pr2182.ll (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker; RUN: llc < %s | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker; PR2182
3*9880d681SAndroid Build Coastguard Worker
4*9880d681SAndroid Build Coastguard Workertarget datalayout =
5*9880d681SAndroid Build Coastguard Worker"e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
6*9880d681SAndroid Build Coastguard Workertarget triple = "i386-apple-darwin8"
7*9880d681SAndroid Build Coastguard Worker@x = weak global i32 0          ; <i32*> [#uses=8]
8*9880d681SAndroid Build Coastguard Worker
9*9880d681SAndroid Build Coastguard Workerdefine void @loop_2() nounwind  {
10*9880d681SAndroid Build Coastguard Worker; CHECK-LABEL: loop_2:
11*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: ret
12*9880d681SAndroid Build Coastguard Worker; CHECK: addl $3, (%{{.*}})
13*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: addl $3, (%{{.*}})
14*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: addl $3, (%{{.*}})
15*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: addl $3, (%{{.*}})
16*9880d681SAndroid Build Coastguard Worker; CHECK-NEXT: ret
17*9880d681SAndroid Build Coastguard Worker
18*9880d681SAndroid Build Coastguard Worker  %tmp = load volatile i32, i32* @x, align 4           ; <i32> [#uses=1]
19*9880d681SAndroid Build Coastguard Worker  %tmp1 = add i32 %tmp, 3         ; <i32> [#uses=1]
20*9880d681SAndroid Build Coastguard Worker  store volatile i32 %tmp1, i32* @x, align 4
21*9880d681SAndroid Build Coastguard Worker  %tmp.1 = load volatile i32, i32* @x, align 4         ; <i32> [#uses=1]
22*9880d681SAndroid Build Coastguard Worker  %tmp1.1 = add i32 %tmp.1, 3             ; <i32> [#uses=1]
23*9880d681SAndroid Build Coastguard Worker  store volatile i32 %tmp1.1, i32* @x, align 4
24*9880d681SAndroid Build Coastguard Worker  %tmp.2 = load volatile i32, i32* @x, align 4         ; <i32> [#uses=1]
25*9880d681SAndroid Build Coastguard Worker  %tmp1.2 = add i32 %tmp.2, 3             ; <i32> [#uses=1]
26*9880d681SAndroid Build Coastguard Worker  store volatile i32 %tmp1.2, i32* @x, align 4
27*9880d681SAndroid Build Coastguard Worker  %tmp.3 = load volatile i32, i32* @x, align 4         ; <i32> [#uses=1]
28*9880d681SAndroid Build Coastguard Worker  %tmp1.3 = add i32 %tmp.3, 3             ; <i32> [#uses=1]
29*9880d681SAndroid Build Coastguard Worker  store volatile i32 %tmp1.3, i32* @x, align 4
30*9880d681SAndroid Build Coastguard Worker  ret void
31*9880d681SAndroid Build Coastguard Worker}
32