diff options
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64CallingConvention.td | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AArch64/swift-error.ll | 18 |
2 files changed, 21 insertions, 0 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64CallingConvention.td b/llvm/lib/Target/AArch64/AArch64CallingConvention.td index 291bc5ea858..93a68449de8 100644 --- a/llvm/lib/Target/AArch64/AArch64CallingConvention.td +++ b/llvm/lib/Target/AArch64/AArch64CallingConvention.td @@ -49,6 +49,9 @@ def CC_AArch64_AAPCS : CallingConv<[ // Pass SwiftSelf in a callee saved register. CCIfSwiftSelf<CCIfType<[i64], CCAssignToRegWithShadow<[X20], [W20]>>>, + // A SwiftError is passed in X21. + CCIfSwiftError<CCIfType<[i64], CCAssignToRegWithShadow<[X21], [W21]>>>, + CCIfConsecutiveRegs<CCCustom<"CC_AArch64_Custom_Block">>, // Handle i1, i8, i16, i32, i64, f32, f64 and v2f64 by passing in registers, diff --git a/llvm/test/CodeGen/AArch64/swift-error.ll b/llvm/test/CodeGen/AArch64/swift-error.ll new file mode 100644 index 00000000000..79a31c19be1 --- /dev/null +++ b/llvm/test/CodeGen/AArch64/swift-error.ll @@ -0,0 +1,18 @@ +; RUN: llc -mtriple aarch64-unknown-linux-gnu -filetype asm -o - %s | FileCheck %s + +%swift.error = type opaque + +declare swiftcc void @f(%swift.error** swifterror) + +define swiftcc void @g(i8*, i8*, i8*, i8*, i8*, i8*, i8*, i8*, %swift.error** swifterror %error) { +entry: + call swiftcc void @f(%swift.error** nonnull nocapture swifterror %error) + ret void +} + +; CHEECK-LABEL: g +; CHECK: str x30, [sp, #-16]! +; CHECK: bl f +; CHECK: ldr x30, [sp], #16 +; CHECK: ret + |
