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f7ea499702
Part of the effort to refactoring frame pointer code generation. We used to use two function attributes "no-frame-pointer-elim" and "no-frame-pointer-elim-non-leaf" to represent three kinds of frame pointer usage: (all) frames use frame pointer, (non-leaf) frames use frame pointer, (none) frame use frame pointer. This CL makes the idea explicit by using only one enum function attribute "frame-pointer" Option "-frame-pointer=" replaces "-disable-fp-elim" for tools such as llc. "no-frame-pointer-elim" and "no-frame-pointer-elim-non-leaf" are still supported for easy migration to "frame-pointer". tests are mostly updated with // replace command line args ‘-disable-fp-elim=false’ with ‘-frame-pointer=none’ grep -iIrnl '\-disable-fp-elim=false' * | xargs sed -i '' -e "s/-disable-fp-elim=false/-frame-pointer=none/g" // replace command line args ‘-disable-fp-elim’ with ‘-frame-pointer=all’ grep -iIrnl '\-disable-fp-elim' * | xargs sed -i '' -e "s/-disable-fp-elim/-frame-pointer=all/g" Patch by Yuanfang Chen (tabloid.adroit)! Differential Revision: https://reviews.llvm.org/D56351 llvm-svn: 351049
53 lines
2.2 KiB
LLVM
53 lines
2.2 KiB
LLVM
; RUN: llc -frame-pointer=all -relocation-model=pic < %s
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; RUN: llc -frame-pointer=all -relocation-model=pic -O0 -pre-RA-sched=source < %s | FileCheck %s --check-prefix=SOURCE-SCHED
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target triple = "armv6-apple-ios"
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; Reduced from 177.mesa. This test causes a live range split before an LDR_POST instruction.
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; That requires leaveIntvBefore to be very accurate about the redefined value number.
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define internal void @sample_nearest_3d(i8* nocapture %tObj, i32 %n, float* nocapture %s, float* nocapture %t, float* nocapture %u, float* nocapture %lambda, i8* nocapture %red, i8* nocapture %green, i8* nocapture %blue, i8* nocapture %alpha) nounwind ssp {
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entry:
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br i1 undef, label %for.end, label %for.body.lr.ph
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for.body.lr.ph: ; preds = %entry
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br label %for.body
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for.body: ; preds = %for.body, %for.body.lr.ph
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: add
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: add
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: add
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: add
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; SOURCE-SCHED: str
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; SOURCE-SCHED: str
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; SOURCE-SCHED: str
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; SOURCE-SCHED: str
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: bl
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; SOURCE-SCHED: add
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; SOURCE-SCHED: ldr
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; SOURCE-SCHED: cmp
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; SOURCE-SCHED: bne
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%i.031 = phi i32 [ 0, %for.body.lr.ph ], [ %0, %for.body ]
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%arrayidx11 = getelementptr float, float* %t, i32 %i.031
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%arrayidx15 = getelementptr float, float* %u, i32 %i.031
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%arrayidx19 = getelementptr i8, i8* %red, i32 %i.031
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%arrayidx22 = getelementptr i8, i8* %green, i32 %i.031
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%arrayidx25 = getelementptr i8, i8* %blue, i32 %i.031
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%arrayidx28 = getelementptr i8, i8* %alpha, i32 %i.031
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%tmp12 = load float, float* %arrayidx11, align 4
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tail call fastcc void @sample_3d_nearest(i8* %tObj, i8* undef, float undef, float %tmp12, float undef, i8* %arrayidx19, i8* %arrayidx22, i8* %arrayidx25, i8* %arrayidx28)
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%0 = add i32 %i.031, 1
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%exitcond = icmp eq i32 %0, %n
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br i1 %exitcond, label %for.end, label %for.body
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for.end: ; preds = %for.body, %entry
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ret void
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}
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declare fastcc void @sample_3d_nearest(i8* nocapture, i8* nocapture, float, float, float, i8* nocapture, i8* nocapture, i8* nocapture, i8* nocapture) nounwind ssp
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