; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV32I %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs < %s \
; RUN: | FileCheck -check-prefix=RV64I %s
; When passing a function argument with a size that isn't a multiple of XLEN,
; and the argument is split and passed indirectly, we must ensure that the stack
; slot size appropriately reflects the total size of the parts the argument is
; split into. Otherwise, stack writes can clobber neighboring values.
declare void @callee129(i129)
declare void @callee160(i160)
declare void @callee161(i161)
define i32 @caller129() nounwind {
; RV32I-LABEL: caller129:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: li a0, 42
; RV32I-NEXT: sw a0, 24(sp)
; RV32I-NEXT: sw zero, 16(sp)
; RV32I-NEXT: sw zero, 12(sp)
; RV32I-NEXT: sw zero, 8(sp)
; RV32I-NEXT: sw zero, 4(sp)
; RV32I-NEXT: mv a0, sp
; RV32I-NEXT: sw zero, 0(sp)
; RV32I-NEXT: call callee129
; RV32I-NEXT: lw a0, 24(sp)
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: caller129:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -48
; RV64I-NEXT: sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT: li a0, 42
; RV64I-NEXT: sw a0, 36(sp)
; RV64I-NEXT: sd zero, 16(sp)
; RV64I-NEXT: sd zero, 8(sp)
; RV64I-NEXT: mv a0, sp
; RV64I-NEXT: sd zero, 0(sp)
; RV64I-NEXT: call callee129
; RV64I-NEXT: lw a0, 36(sp)
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 48
; RV64I-NEXT: ret
%1 = alloca i32
store i32 42, ptr %1
call void @callee129(i129 0)
%2 = load i32, ptr %1
ret i32 %2
}
define i32 @caller160() nounwind {
; RV32I-LABEL: caller160:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: li a0, 42
; RV32I-NEXT: sw a0, 24(sp)
; RV32I-NEXT: sw zero, 16(sp)
; RV32I-NEXT: sw zero, 12(sp)
; RV32I-NEXT: sw zero, 8(sp)
; RV32I-NEXT: sw zero, 4(sp)
; RV32I-NEXT: mv a0, sp
; RV32I-NEXT: sw zero, 0(sp)
; RV32I-NEXT: call callee160
; RV32I-NEXT: lw a0, 24(sp)
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: caller160:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -48
; RV64I-NEXT: sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT: li a0, 42
; RV64I-NEXT: sw a0, 36(sp)
; RV64I-NEXT: sd zero, 16(sp)
; RV64I-NEXT: sd zero, 8(sp)
; RV64I-NEXT: mv a0, sp
; RV64I-NEXT: sd zero, 0(sp)
; RV64I-NEXT: call callee160
; RV64I-NEXT: lw a0, 36(sp)
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 48
; RV64I-NEXT: ret
%1 = alloca i32
store i32 42, ptr %1
call void @callee160(i160 0)
%2 = load i32, ptr %1
ret i32 %2
}
define i32 @caller161() nounwind {
; RV32I-LABEL: caller161:
; RV32I: # %bb.0:
; RV32I-NEXT: addi sp, sp, -32
; RV32I-NEXT: sw ra, 28(sp) # 4-byte Folded Spill
; RV32I-NEXT: li a0, 42
; RV32I-NEXT: sw a0, 24(sp)
; RV32I-NEXT: sw zero, 20(sp)
; RV32I-NEXT: sw zero, 16(sp)
; RV32I-NEXT: sw zero, 12(sp)
; RV32I-NEXT: sw zero, 8(sp)
; RV32I-NEXT: sw zero, 4(sp)
; RV32I-NEXT: mv a0, sp
; RV32I-NEXT: sw zero, 0(sp)
; RV32I-NEXT: call callee161
; RV32I-NEXT: lw a0, 24(sp)
; RV32I-NEXT: lw ra, 28(sp) # 4-byte Folded Reload
; RV32I-NEXT: addi sp, sp, 32
; RV32I-NEXT: ret
;
; RV64I-LABEL: caller161:
; RV64I: # %bb.0:
; RV64I-NEXT: addi sp, sp, -48
; RV64I-NEXT: sd ra, 40(sp) # 8-byte Folded Spill
; RV64I-NEXT: li a0, 42
; RV64I-NEXT: sw a0, 36(sp)
; RV64I-NEXT: sd zero, 16(sp)
; RV64I-NEXT: sd zero, 8(sp)
; RV64I-NEXT: mv a0, sp
; RV64I-NEXT: sd zero, 0(sp)
; RV64I-NEXT: call callee161
; RV64I-NEXT: lw a0, 36(sp)
; RV64I-NEXT: ld ra, 40(sp) # 8-byte Folded Reload
; RV64I-NEXT: addi sp, sp, 48
; RV64I-NEXT: ret
%1 = alloca i32
store i32 42, ptr %1
call void @callee161(i161 0)
%2 = load i32, ptr %1
ret i32 %2
}
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