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[TargetParser] Expose Triple::getArchPointerBitWidth. #82086

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Merged
merged 1 commit into from
Feb 17, 2024
Merged

[TargetParser] Expose Triple::getArchPointerBitWidth. #82086

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8 changes: 8 additions & 0 deletions llvm/include/llvm/TargetParser/Triple.h
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Original file line number Diff line number Diff line change
Expand Up @@ -451,6 +451,14 @@ class Triple {
/// @name Convenience Predicates
/// @{

/// Returns the pointer width of this architecture.
static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch);

/// Returns the pointer width of this architecture.
unsigned getArchPointerBitWidth() const {
return getArchPointerBitWidth(getArch());
}

/// Test whether the architecture is 64-bit
///
/// Note that this tests for 64-bit pointer width, and nothing else. Note
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2 changes: 1 addition & 1 deletion llvm/lib/TargetParser/Triple.cpp
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Expand Up @@ -1458,7 +1458,7 @@ void Triple::setOSAndEnvironmentName(StringRef Str) {
setTriple(getArchName() + "-" + getVendorName() + "-" + Str);
}

static unsigned getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
unsigned Triple::getArchPointerBitWidth(llvm::Triple::ArchType Arch) {
switch (Arch) {
case llvm::Triple::UnknownArch:
return 0;
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18 changes: 17 additions & 1 deletion llvm/unittests/TargetParser/TripleTest.cpp
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Expand Up @@ -1205,86 +1205,102 @@ TEST(TripleTest, MutateName) {
EXPECT_EQ("i386-pc-darwin", T.getTriple());
}

TEST(TripleTest, BitWidthPredicates) {
TEST(TripleTest, BitWidthChecks) {
Triple T;
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 0U);

T.setArch(Triple::arm);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::hexagon);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::mips);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::mips64);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 64U);

T.setArch(Triple::msp430);
EXPECT_TRUE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 16U);

T.setArch(Triple::ppc);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::ppc64);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 64U);

T.setArch(Triple::x86);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::x86_64);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 64U);

T.setArch(Triple::amdil);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::amdil64);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 64U);

T.setArch(Triple::hsail);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::hsail64);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 64U);

T.setArch(Triple::spir);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_TRUE(T.isArch32Bit());
EXPECT_FALSE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 32U);

T.setArch(Triple::spir64);
EXPECT_FALSE(T.isArch16Bit());
EXPECT_FALSE(T.isArch32Bit());
EXPECT_TRUE(T.isArch64Bit());
EXPECT_EQ(T.getArchPointerBitWidth(), 64U);

T.setArch(Triple::spirv);
EXPECT_FALSE(T.isArch16Bit());
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