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ed6ba15bd1
For a certain combination of options, BuildPairF64_{64}, ExtractElementF64{_64}
may be expanded into instructions using stack.
Add implicit operand $sp for such cases so that ShrinkWrapping doesn't move
prologue setup below them.
Fixes MultiSource/Benchmarks/MallocBench/cfrac for
'--target=mips-img-linux-gnu -mcpu=mips32r6 -mfpxx -mnan=2008'
and
'--target=mips-img-linux-gnu -mcpu=mips32r6 -mfp64 -mnan=2008 -mno-odd-spreg'.
Differential Revision: https://reviews.llvm.org/D50986
llvm-svn: 340927
151 lines
3.1 KiB
YAML
151 lines
3.1 KiB
YAML
# RUN: llc -o - %s -mtriple=mips-unknown-linux-gnu -enable-shrink-wrap=true \
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# RUN: -start-before=shrink-wrap -stop-after=prologepilog | FileCheck %s
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--- |
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declare void @foo()
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define void @testBuildPairF64() {
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ret void
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}
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define void @testBuildPairF64_64() {
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ret void
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}
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define void @testBuildPairF64implicitSp() {
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ret void
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}
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define void @testBuildPairF64_64implicitSp() {
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ret void
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}
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define void @testExtractElementF64() {
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ret void
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}
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define void @testExtractElementF64_64() {
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ret void
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}
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define void @testExtractElementF64implicitSp() {
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ret void
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}
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define void @testExtractElementF64_64implicitSp() {
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ret void
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}
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...
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---
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name: testBuildPairF64
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# CHECK-LABEL: name: testBuildPairF64
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: BuildPairF64
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body: |
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bb.0:
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$d0 = BuildPairF64 $zero, $zero
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testBuildPairF64_64
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# CHECK-LABEL: name: testBuildPairF64_64
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: BuildPairF64_64
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body: |
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bb.0:
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$d0_64 = BuildPairF64_64 $zero, $zero
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testBuildPairF64implicitSp
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# CHECK-LABEL: name: testBuildPairF64implicitSp
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
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body: |
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bb.0:
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$d0 = BuildPairF64 $zero, $zero, implicit $sp
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testBuildPairF64_64implicitSp
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# CHECK-LABEL: name: testBuildPairF64_64implicitSp
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
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body: |
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bb.0:
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$d0_64 = BuildPairF64_64 $zero, $zero, implicit $sp
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testExtractElementF64
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# CHECK-LABEL: name: testExtractElementF64
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: ExtractElementF64
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body: |
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bb.0:
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$at = ExtractElementF64 $d6, 1
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testExtractElementF64_64
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# CHECK-LABEL: name: testExtractElementF64_64
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: ExtractElementF64_64
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body: |
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bb.0:
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$at = ExtractElementF64_64 $d12_64, 1
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testExtractElementF64implicitSp
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# CHECK-LABEL: name: testExtractElementF64implicitSp
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
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body: |
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bb.0:
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$at = ExtractElementF64 $d6, 1, implicit $sp
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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---
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name: testExtractElementF64_64implicitSp
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# CHECK-LABEL: name: testExtractElementF64_64implicitSp
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# CHECK: bb.0
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# CHECK-NEXT: successors
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# CHECK-NEXT: {{[[:space:]]$}}
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# CHECK-NEXT: $sp = ADDiu $sp, -{{[0-9]+}}
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body: |
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bb.0:
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$at = ExtractElementF64_64 $d12_64, 1, implicit $sp
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bb.1:
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JAL @foo, implicit-def $ra
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bb.2:
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RetRA
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...
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