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[X86] Don't use NOPL when the assembler is passed an empty CPU string. Update tests to force a CPU with NOPL

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Empty string should be equivalent to "generic" which doesn't allow NOPL. Force tests to use specificy 'pentiumpro' to guarantee NOPL.

Fixes PR35686

llvm-svn: 321026
This commit is contained in:
Craig Topper 2017-12-18 21:37:27 +00:00
parent 679adbc865
commit a5f511668f
13 changed files with 24 additions and 24 deletions
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2
lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp
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@ -78,7 +78,7 @@ public:
CPU != "i586" && CPU != "pentium" && CPU != "pentium-mmx" &&
CPU != "i686" && CPU != "k6" && CPU != "k6-2" && CPU != "k6-3" &&
CPU != "geode" && CPU != "winchip-c6" && CPU != "winchip2" &&
CPU != "c3" && CPU != "c3-2" && CPU != "lakemont";
CPU != "c3" && CPU != "c3-2" && CPU != "lakemont" && CPU != "";
}
unsigned getNumFixupKinds() const override {

2
test/MC/COFF/align-nops.s
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@ -1,4 +1,4 @@
// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 %s | llvm-readobj -s -sd | FileCheck %s
// RUN: llvm-mc -filetype=obj -triple i686-pc-win32 -mcpu=pentiumpro %s | llvm-readobj -s -sd | FileCheck %s
// Test that we get optimal nops in text
.text

2
test/MC/ELF/align-nops.s
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@ -1,4 +1,4 @@
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s -sd | FileCheck %s
// RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - | llvm-readobj -s -sd | FileCheck %s
// Test that we get optimal nops in text
.text

2
test/MC/MachO/x86_32-optimal_nop.s
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@ -1,4 +1,4 @@
// RUN: llvm-mc -triple i386-apple-darwin9 %s -filetype=obj -o - | llvm-readobj -file-headers -s -sd -r -t -macho-segment -macho-dysymtab -macho-indirect-symbols | FileCheck %s
// RUN: llvm-mc -triple i386-apple-darwin9 -mcpu=pentiumpro %s -filetype=obj -o - | llvm-readobj -file-headers -s -sd -r -t -macho-segment -macho-dysymtab -macho-indirect-symbols | FileCheck %s
# 1 byte nop test
.align 4, 0 # start with 16 byte alignment filled with zeros

4
test/MC/X86/AlignedBundling/different-sections.s
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@ -1,6 +1,6 @@
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# Test two different executable sections with bundling.

4
test/MC/X86/AlignedBundling/long-nop-pad.s
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@ -1,6 +1,6 @@
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# Test that long nops are generated for padding where possible.

4
test/MC/X86/AlignedBundling/misaligned-bundle-group.s
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@ -1,7 +1,7 @@
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - \
# RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-OPT %s
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - \
# RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-RELAX %s

4
test/MC/X86/AlignedBundling/misaligned-bundle.s
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@ -1,7 +1,7 @@
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - \
# RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-OPT %s
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple i686-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - \
# RUN: | FileCheck -check-prefix=CHECK -check-prefix=CHECK-RELAX %s

4
test/MC/X86/AlignedBundling/pad-align-to-bundle-end.s
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@ -1,6 +1,6 @@
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# Test some variations of padding to the end of a bundle.

4
test/MC/X86/AlignedBundling/pad-bundle-groups.s
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@ -1,6 +1,6 @@
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck %s
# Test some variations of padding for bundle-locked groups.

4
test/MC/X86/AlignedBundling/relax-in-bundle-group.s
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@ -1,6 +1,6 @@
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble - | FileCheck %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble - | FileCheck %s
# Test that instructions inside bundle-locked groups are relaxed even if their

4
test/MC/X86/AlignedBundling/single-inst-bundling.s
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@ -1,6 +1,6 @@
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-OPT %s
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mc-relax-all %s -o - \
# RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu -mcpu=pentiumpro -mc-relax-all %s -o - \
# RUN: | llvm-objdump -disassemble -no-show-raw-insn - | FileCheck -check-prefix=CHECK -check-prefix=CHECK-RELAX %s
# Test simple NOP insertion for single instructions.

8
test/MC/X86/x86_long_nop.s
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@ -1,7 +1,7 @@
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-apple-darwin10.0 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-apple-darwin8 %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-pc-linux-gnu -mcpu=pentiumpro %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu %s -mcpu=pentiumpro | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=x86_64-apple-darwin10.0 -mcpu=pentiumpro %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-apple-darwin8 -mcpu=pentiumpro %s | llvm-objdump -d -no-show-raw-insn - | FileCheck %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=slm %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=LNOP7 %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=silvermont %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=LNOP7 %s
# RUN: llvm-mc -filetype=obj -arch=x86 -triple=i686-pc-linux-gnu -mcpu=lakemont %s | llvm-objdump -d -no-show-raw-insn - | FileCheck --check-prefix=NOP1 %s