File: disable-fp-elim.ll

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llvm-toolchain-7 1%3A7.0.1-8~deb9u3
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; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -disable-fp-elim -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -disable-fp-elim=false -O1 | FileCheck %s --check-prefix=ENABLE-FP-ELIM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -disable-fp-elim=false -O0 | FileCheck %s --check-prefix=DISABLE-FP-ELIM

; Check that command line option "-disable-fp-elim" overrides function attribute
; "no-frame-pointer-elim". Also, check frame pointer elimination is disabled
; when fast-isel is used.

; ENABLE-FP-ELIM-NOT: .setfp
; DISABLE-FP-ELIM: .setfp r11, sp

define i32 @foo1(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) #0 {
entry:
  %call = tail call i32 @foo2(i32 %a)
  %add = add i32 %c, %b
  %add1 = add i32 %add, %d
  %add2 = add i32 %add1, %e
  %add3 = add i32 %add2, %call
  ret i32 %add3
}

declare i32 @foo2(i32)

attributes #0 = { nounwind "no-frame-pointer-elim"="true" }