File: pr2182.ll

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llvm-toolchain-16 1%3A16.0.6-15~deb12u1
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; RUN: llc < %s | FileCheck %s
; PR2182

target datalayout =
"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"
target triple = "i386-apple-darwin8"
@x = weak global i32 0          ; <ptr> [#uses=8]

define void @loop_2() nounwind  {
; CHECK-LABEL: loop_2:
; CHECK-NOT: ret
; CHECK: addl $3, (%{{.*}})
; CHECK-NEXT: addl $3, (%{{.*}})
; CHECK-NEXT: addl $3, (%{{.*}})
; CHECK-NEXT: addl $3, (%{{.*}})
; CHECK-NEXT: ret

  %tmp = load volatile i32, ptr @x, align 4           ; <i32> [#uses=1]
  %tmp1 = add i32 %tmp, 3         ; <i32> [#uses=1]
  store volatile i32 %tmp1, ptr @x, align 4
  %tmp.1 = load volatile i32, ptr @x, align 4         ; <i32> [#uses=1]
  %tmp1.1 = add i32 %tmp.1, 3             ; <i32> [#uses=1]
  store volatile i32 %tmp1.1, ptr @x, align 4
  %tmp.2 = load volatile i32, ptr @x, align 4         ; <i32> [#uses=1]
  %tmp1.2 = add i32 %tmp.2, 3             ; <i32> [#uses=1]
  store volatile i32 %tmp1.2, ptr @x, align 4
  %tmp.3 = load volatile i32, ptr @x, align 4         ; <i32> [#uses=1]
  %tmp1.3 = add i32 %tmp.3, 3             ; <i32> [#uses=1]
  store volatile i32 %tmp1.3, ptr @x, align 4
  ret void
}