diff --git a/llvm/test/CodeGen/RISCV/machine-outliner-throw.ll b/llvm/test/CodeGen/RISCV/machine-outliner-throw.ll new file mode 100644 --- /dev/null +++ b/llvm/test/CodeGen/RISCV/machine-outliner-throw.ll @@ -0,0 +1,57 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -verify-machineinstrs -enable-machine-outliner -mattr=+m -mtriple=riscv64 < %s | FileCheck %s + +define i32 @func1(i32 %x) #0 { +; CHECK-LABEL: func1: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: call t0, OUTLINED_FUNCTION_0 +; CHECK-NEXT: call __cxa_allocate_exception@plt +; CHECK-NEXT: sw s0, 0(a0) +; CHECK-NEXT: lui a1, %hi(_ZTIi) +; CHECK-NEXT: addi a1, a1, %lo(_ZTIi) +; CHECK-NEXT: li a2, 0 +; CHECK-NEXT: call __cxa_throw@plt +entry: + %mul = mul i32 %x, %x + %add = add i32 %mul, 1 + %exception = tail call i8* @__cxa_allocate_exception(i64 4) + %0 = bitcast i8* %exception to i32* + store i32 %add, i32* %0 + tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) + unreachable +} + +define i32 @func2(i32 %x) #0 { +; CHECK-LABEL: func2: +; CHECK: # %bb.0: # %entry +; CHECK-NEXT: call t0, OUTLINED_FUNCTION_0 +; CHECK-NEXT: call __cxa_allocate_exception@plt +; CHECK-NEXT: sw s0, 0(a0) +; CHECK-NEXT: lui a1, %hi(_ZTIi) +; CHECK-NEXT: addi a1, a1, %lo(_ZTIi) +; CHECK-NEXT: li a2, 0 +; CHECK-NEXT: call __cxa_throw@plt +entry: + %mul = mul i32 %x, %x + %add = add i32 %mul, 1 + %exception = tail call i8* @__cxa_allocate_exception(i64 4) + %0 = bitcast i8* %exception to i32* + store i32 %add, i32* %0 + tail call void @__cxa_throw(i8* %exception, i8* bitcast (i8** @_ZTIi to i8*), i8* null) + unreachable +} + +; CHECK-LABEL: OUTLINED_FUNCTION_0: +; CHECK: # %bb.0: +; CHECK-NEXT: addi sp, sp, -16 +; CHECK-NEXT: sd ra, 8(sp) +; CHECK-NEXT: sd s0, 0(sp) +; CHECK-NEXT: mulw a0, a0, a0 +; CHECK-NEXT: addiw s0, a0, 1 +; CHECK-NEXT: li a0, 4 + +@_ZTIi = external constant i8* +declare i8* @__cxa_allocate_exception(i64) +declare void @__cxa_throw(i8*, i8*, i8*) + +attributes #0 = { minsize noreturn }