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llvm-project/llvm/test/MC/Mips/double-expand.s

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[mips][ias] Prevent double-filling of delay slots by generating '.set noreorder' regions. Summary: When clang is given -save-temps or -via-file-asm, any inline assembly in the source is parsed twice. Once by the compiler, and again by the assembler. We must take care to ensure that this doesn't lead to double-filling delay slots. Reviewers: sdardis, vkalintiris Subscribers: dsanders, sdardis, llvm-commits Differential Revision: http://reviews.llvm.org/D19166 llvm-svn: 266608
2016-04-18 20:35:36 +08:00
# RUN: llvm-mc -triple=mipsel-unknown-linux < %s | FileCheck %s
# RUN: llvm-mc -triple=mipsel-unknown-linux < %s | \
# RUN: llvm-mc -triple=mipsel-unknown-linux | FileCheck %s
.text
[mips][ias] Move createCpRestoreMemOp to MipsTargetStreamer. NFC. Summary: This removes the temporary call to isIntegratedAssemblerRequired() which was added recently. It's effect is now acheived directly in the MipsTargetStreamer hierarchy. Reviewers: sdardis Subscribers: dsanders, sdardis, llvm-commits Differential Revision: http://reviews.llvm.org/D19715 llvm-svn: 268058
2016-04-30 00:16:49 +08:00
branch:
[mips][ias] Prevent double-filling of delay slots by generating '.set noreorder' regions. Summary: When clang is given -save-temps or -via-file-asm, any inline assembly in the source is parsed twice. Once by the compiler, and again by the assembler. We must take care to ensure that this doesn't lead to double-filling delay slots. Reviewers: sdardis, vkalintiris Subscribers: dsanders, sdardis, llvm-commits Differential Revision: http://reviews.llvm.org/D19166 llvm-svn: 266608
2016-04-18 20:35:36 +08:00
bnez $2, foo
[mips][ias] Move createCpRestoreMemOp to MipsTargetStreamer. NFC. Summary: This removes the temporary call to isIntegratedAssemblerRequired() which was added recently. It's effect is now acheived directly in the MipsTargetStreamer hierarchy. Reviewers: sdardis Subscribers: dsanders, sdardis, llvm-commits Differential Revision: http://reviews.llvm.org/D19715 llvm-svn: 268058
2016-04-30 00:16:49 +08:00
# CHECK-LABEL: branch:
# CHECK: bnez $2, foo
# CHECK: nop
# CHECK-NOT: nop
cprestore:
.option pic2
.cprestore 16
jal foo
# CHECK-LABEL: cprestore:
# CHECK: .cprestore 16
# CHECK: lw $25, %call16(foo)($gp)
# CHECK: jalr $25
# CHECK: nop
# CHECK: lw $gp, 16($sp)
# CHECK-NOT: nop
# CHECK-NOT: lw