diff options
Diffstat (limited to 'llvm/test/CodeGen/RISCV/calling-conv-lp64-lp64f-common.ll')
-rw-r--r-- | llvm/test/CodeGen/RISCV/calling-conv-lp64-lp64f-common.ll | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/RISCV/calling-conv-lp64-lp64f-common.ll b/llvm/test/CodeGen/RISCV/calling-conv-lp64-lp64f-common.ll new file mode 100644 index 00000000000..5b1b3e96f3b --- /dev/null +++ b/llvm/test/CodeGen/RISCV/calling-conv-lp64-lp64f-common.ll @@ -0,0 +1,65 @@ +; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py +; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \ +; RUN: | FileCheck -check-prefix=RV64I %s + +; This file contains tests that should have identical output for the lp64 and +; lp64f ABIs. It doesn't check codegen when frame pointer elimination is +; disabled, as there is sufficient coverage for this case in other files. + +define i64 @callee_double_in_regs(i64 %a, double %b) nounwind { +; RV64I-LABEL: callee_double_in_regs: +; RV64I: # %bb.0: +; RV64I-NEXT: addi sp, sp, -16 +; RV64I-NEXT: sd ra, 8(sp) +; RV64I-NEXT: sd s1, 0(sp) +; RV64I-NEXT: mv s1, a0 +; RV64I-NEXT: mv a0, a1 +; RV64I-NEXT: call __fixdfdi +; RV64I-NEXT: add a0, s1, a0 +; RV64I-NEXT: ld s1, 0(sp) +; RV64I-NEXT: ld ra, 8(sp) +; RV64I-NEXT: addi sp, sp, 16 +; RV64I-NEXT: ret + %b_fptosi = fptosi double %b to i64 + %1 = add i64 %a, %b_fptosi + ret i64 %1 +} + +define i64 @caller_double_in_regs() nounwind { +; RV64I-LABEL: caller_double_in_regs: +; RV64I: # %bb.0: +; RV64I-NEXT: addi sp, sp, -16 +; RV64I-NEXT: sd ra, 8(sp) +; RV64I-NEXT: addi a0, zero, 1 +; RV64I-NEXT: slli a1, a0, 62 +; RV64I-NEXT: addi a0, zero, 1 +; RV64I-NEXT: call callee_double_in_regs +; RV64I-NEXT: ld ra, 8(sp) +; RV64I-NEXT: addi sp, sp, 16 +; RV64I-NEXT: ret + %1 = call i64 @callee_double_in_regs(i64 1, double 2.0) + ret i64 %1 +} + +define double @callee_double_ret() nounwind { +; RV64I-LABEL: callee_double_ret: +; RV64I: # %bb.0: +; RV64I-NEXT: addi a0, zero, 1023 +; RV64I-NEXT: slli a0, a0, 52 +; RV64I-NEXT: ret + ret double 1.0 +} + +define i64 @caller_double_ret() nounwind { +; RV64I-LABEL: caller_double_ret: +; RV64I: # %bb.0: +; RV64I-NEXT: addi sp, sp, -16 +; RV64I-NEXT: sd ra, 8(sp) +; RV64I-NEXT: call callee_double_ret +; RV64I-NEXT: ld ra, 8(sp) +; RV64I-NEXT: addi sp, sp, 16 +; RV64I-NEXT: ret + %1 = call double @callee_double_ret() + %2 = bitcast double %1 to i64 + ret i64 %2 +} |