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; RUN: llc -verify-machineinstrs %s -o - | FileCheck %s
target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
target triple = "thumbv7m-unknown-unknown-eabi"
declare dso_local i32 @t(i32) local_unnamed_addr #0
define dso_local i32 @f(i32 %a, i32 %b, i32 %c) local_unnamed_addr #0 {
entry:
%mul = mul nsw i32 %a, 3
%add = add nsw i32 %mul, 1
%sub = add nsw i32 %b, -1
%div = sdiv i32 %add, %sub
%sub1 = sub nsw i32 %a, %c
%div2 = sdiv i32 %div, %sub1
%mul3 = mul nsw i32 %div2, %b
%add4 = add nsw i32 %mul3, 1
%call = tail call i32 @t(i32 %add4) #0
ret i32 %call
}
; CHECK-LABEL: f:
; CHECK: str lr, [sp, #-8]!
; CHECK-NEXT: bl OUTLINED_FUNCTION_0
; CHECK-NEXT: ldr lr, [sp], #8
; CHECK-NEXT: adds r0, #1
; CHECK-NEXT: b t
define dso_local i32 @g(i32 %a, i32 %b, i32 %c) local_unnamed_addr #0 {
entry:
%mul = mul nsw i32 %a, 3
%add = add nsw i32 %mul, 1
%sub = add nsw i32 %b, -1
%div = sdiv i32 %add, %sub
%sub1 = sub nsw i32 %a, %c
%div2 = sdiv i32 %div, %sub1
%mul3 = mul nsw i32 %div2, %b
%add4 = add nsw i32 %mul3, 3
%call = tail call i32 @t(i32 %add4) #0
ret i32 %call
}
; CHECK-LABEL: g:
; CHECK: str lr, [sp, #-8]!
; CHECK-NEXT: bl OUTLINED_FUNCTION_0
; CHECK-NEXT: ldr lr, [sp], #8
; CHECK-NEXT: adds r0, #3
; CHECK-NEXT: b t
; CHECK-LABEL: OUTLINED_FUNCTION_0:
; CHECK-NOT: lr
; CHECK: bx lr
attributes #0 = { minsize nounwind optsize }
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