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[ARMAttributeParser] Correctly parse and print Tag_THUMB_ISA_use=3

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I took the "Permitted"/"Not Permitted" combo from the `Tag_ARM_ISA_use` case (GNU tools print "Yes").

Reviewed By: compnerd, MaskRay, simon_tatham

Differential Revision: https://reviews.llvm.org/D90305
This commit is contained in:
LemonBoy 2020-11-28 12:28:22 -08:00 committed by Fangrui Song
parent 62b8a60999
commit c969c1dda4
4 changed files with 55 additions and 1 deletions
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2
lib/Support/ARMAttributeParser.cpp
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@ -113,7 +113,7 @@ Error ARMAttributeParser::ARM_ISA_use(AttrType tag) {
}
Error ARMAttributeParser::THUMB_ISA_use(AttrType tag) {
static const char *strings[] = {"Not Permitted", "Thumb-1", "Thumb-2"};
static const char *strings[] = {"Not Permitted", "Thumb-1", "Thumb-2", "Permitted"};
return parseStringAttribute("THUMB_ISA_use", tag, makeArrayRef(strings));
}

16
test/MC/ARM/assembly-default-build-attributes.s
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@ -2,6 +2,8 @@
// RUN: llvm-mc -triple armv6m < %s -arm-add-build-attributes | FileCheck %s --check-prefix=v6M
// RUN: llvm-mc -triple armv7m < %s -arm-add-build-attributes | FileCheck %s --check-prefix=v7M
// RUN: llvm-mc -triple armv7a -mcpu=cortex-a15 < %s -arm-add-build-attributes | FileCheck %s --check-prefix=Cortex-A15
// RUN: llvm-mc -triple armv8m.base < %s -arm-add-build-attributes | FileCheck %s --check-prefix=v8M_Baseline
// RUN: llvm-mc -triple armv8m.main < %s -arm-add-build-attributes | FileCheck %s --check-prefix=v8M_Mainline
// This isn't intended to be a through check of the build attributes emitted
// for each target (that's tested elsewhere), but just to check that the
@ -30,6 +32,20 @@
// v7M: .eabi_attribute 9, 2 @ Tag_THUMB_ISA_use
// v7M: .eabi_attribute 34, 1 @ Tag_CPU_unaligned_access
// v8M_Baseline-NOT: .cpu
// v8M_Baseline: .eabi_attribute 6, 16 @ Tag_CPU_arch
// v8M_Baseline: .eabi_attribute 7, 77 @ Tag_CPU_arch_profile
// v8M_Baseline: .eabi_attribute 8, 0 @ Tag_ARM_ISA_use
// v8M_Baseline: .eabi_attribute 9, 3 @ Tag_THUMB_ISA_use
// v8M_Baseline: .eabi_attribute 34, 0 @ Tag_CPU_unaligned_access
// v8M_Mainline-NOT: .cpu
// v8M_Mainline: .eabi_attribute 6, 17 @ Tag_CPU_arch
// v8M_Mainline: .eabi_attribute 7, 77 @ Tag_CPU_arch_profile
// v8M_Mainline: .eabi_attribute 8, 0 @ Tag_ARM_ISA_use
// v8M_Mainline: .eabi_attribute 9, 3 @ Tag_THUMB_ISA_use
// v8M_Mainline: .eabi_attribute 34, 1 @ Tag_CPU_unaligned_access
// Cortex-A15: .cpu cortex-a15
// Cortex-A15: .eabi_attribute 6, 10 @ Tag_CPU_arch
// Cortex-A15: .eabi_attribute 7, 65 @ Tag_CPU_arch_profile

34
test/MC/ARM/directive-arch-armv8m.s Normal file
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@ -0,0 +1,34 @@
@ Test the .arch directive for armv8m
@ This test case will check the default .ARM.attributes value for the
@ armv8-a architecture when using the armv8m.base alias.
@ RUN: llvm-mc -triple arm-eabi -filetype asm %s \
@ RUN: | FileCheck %s -check-prefix CHECK-ASM
@ RUN: llvm-mc -triple arm-eabi -filetype obj %s \
@ RUN: | llvm-readobj --arch-specific - | FileCheck %s -check-prefix CHECK-ATTR
.syntax unified
.arch armv8m.base
@ CHECK-ASM: .arch armv8-m.base
@ CHECK-ATTR: FileAttributes {
@ CHECK-ATTR: Attribute {
@ CHECK-ATTR: TagName: CPU_name
@ CHECK-ATTR: Value: 8-M.Baseline
@ CHECK-ATTR: }
@ CHECK-ATTR: Attribute {
@ CHECK-ATTR: TagName: CPU_arch
@ CHECK-ATTR: Description: ARM v8
@ CHECK-ATTR: }
@ CHECK-ATTR: Attribute {
@ CHECK-ATTR: TagName: CPU_arch_profile
@ CHECK-ATTR: Description: Microcontroller
@ CHECK-ATTR: }
@ CHECK-ATTR: Attribute {
@ CHECK-ATTR: TagName: THUMB_ISA_use
@ CHECK-ATTR: Description: Permitted
@ CHECK-ATTR: }
@ CHECK-ATTR: }

4
unittests/Support/ARMAttributeParser.cpp
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@ -127,6 +127,10 @@ TEST(ThumbISABuildAttr, testBuildAttr) {
ARMBuildAttrs::Not_Allowed));
EXPECT_TRUE(testBuildAttr(9, 1, ARMBuildAttrs::THUMB_ISA_use,
ARMBuildAttrs::Allowed));
EXPECT_TRUE(testBuildAttr(9, 2, ARMBuildAttrs::THUMB_ISA_use,
ARMBuildAttrs::AllowThumb32));
EXPECT_TRUE(testBuildAttr(9, 3, ARMBuildAttrs::THUMB_ISA_use,
ARMBuildAttrs::AllowThumbDerived));
}
TEST(FPArchBuildAttr, testBuildAttr) {