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01461204b3
This is part of the work to remove TargetMachine::resetTargetOptions. In this patch, instead of updating global variable NoFramePointerElim in resetTargetOptions, its use in DisableFramePointerElim is replaced with a call to TargetFrameLowering::noFramePointerElim. This function determines on a per-function basis if frame pointer elimination should be disabled. There is no change in functionality except that cl:opt option "disable-fp-elim" can now override function attribute "no-frame-pointer-elim". git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@238080 91177308-0d34-0410-b5e6-96231b3b80d8
26 lines
1.0 KiB
LLVM
26 lines
1.0 KiB
LLVM
; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
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; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -disable-fp-elim -O1 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
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; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -disable-fp-elim=false -O1 | FileCheck %s --check-prefix=ENABLE-FP-ELIM
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; RUN: llc < %s -mtriple armv7-none-linux-gnueabi -disable-fp-elim=false -O0 | FileCheck %s --check-prefix=DISABLE-FP-ELIM
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; Check that command line option "-disable-fp-elim" overrides function attribute
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; "no-frame-pointer-elim". Also, check frame pointer elimination is disabled
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; when fast-isel is used.
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; ENABLE-FP-ELIM-NOT: .setfp
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; DISABLE-FP-ELIM: .setfp r11, sp
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define i32 @foo1(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e) #0 {
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entry:
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%call = tail call i32 @foo2(i32 %a)
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%add = add i32 %c, %b
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%add1 = add i32 %add, %d
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%add2 = add i32 %add1, %e
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%add3 = add i32 %add2, %call
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ret i32 %add3
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}
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declare i32 @foo2(i32)
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attributes #0 = { nounwind "no-frame-pointer-elim"="true" }
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