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[RISCV][NFC] Move tests of inline asm memory constraints to separate …
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…file

We will need to check the output of medium code model.

Reviewed By: wangpc

Differential Revision: https://reviews.llvm.org/D157965
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wangpc-pp committed Aug 21, 2023
1 parent 1851858 commit a3b11ce
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Showing 2 changed files with 277 additions and 152 deletions.
277 changes: 277 additions & 0 deletions llvm/test/CodeGen/RISCV/inline-asm-mem-constraint.ll
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc -mtriple=riscv32 -verify-machineinstrs -no-integrated-as < %s \
; RUN: | FileCheck -check-prefixes=RV32I %s
; RUN: llc -mtriple=riscv64 -verify-machineinstrs -no-integrated-as < %s \
; RUN: | FileCheck -check-prefixes=RV64I %s
; RUN: llc -mtriple=riscv32 -code-model=medium -verify-machineinstrs -no-integrated-as < %s \
; RUN: | FileCheck -check-prefixes=RV32I-MEDIUM %s
; RUN: llc -mtriple=riscv64 -code-model=medium -verify-machineinstrs -no-integrated-as < %s \
; RUN: | FileCheck -check-prefixes=RV64I-MEDIUM %s

define void @constraint_m_1(ptr %a) nounwind {
; RV32I-LABEL: constraint_m_1:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_m_1:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_m_1:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_m_1:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
call void asm sideeffect "", "=*m"(ptr elementtype(i32) %a)
ret void
}

define i32 @constraint_m_2(ptr %a) nounwind {
; RV32I-LABEL: constraint_m_2:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_m_2:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: lw a0, 0(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_m_2:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: lw a0, 0(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_m_2:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: lw a0, 0(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
%1 = tail call i32 asm "lw $0, $1", "=r,*m"(ptr elementtype(i32) %a)
ret i32 %1
}

define i32 @constraint_m_with_offset(ptr %a) nounwind {
; RV32I-LABEL: constraint_m_with_offset:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: lw a0, 4(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_m_with_offset:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: lw a0, 4(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_m_with_offset:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: lw a0, 4(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_m_with_offset:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: lw a0, 4(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
%1 = getelementptr i32, ptr %a, i32 1
%2 = tail call i32 asm "lw $0, $1", "=r,*m"(ptr elementtype(i32) %1)
ret i32 %2
}

define void @constraint_o_1(ptr %a) nounwind {
; RV32I-LABEL: constraint_o_1:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_o_1:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_o_1:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_o_1:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
call void asm sideeffect "", "=*o"(ptr elementtype(i32) %a)
ret void
}

define i32 @constraint_o_2(ptr %a) nounwind {
; RV32I-LABEL: constraint_o_2:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_o_2:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: lw a0, 0(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_o_2:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: lw a0, 0(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_o_2:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: lw a0, 0(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
%1 = tail call i32 asm "lw $0, $1", "=r,*o"(ptr elementtype(i32) %a)
ret i32 %1
}

define i32 @constraint_o_with_offset(ptr %a) nounwind {
; RV32I-LABEL: constraint_o_with_offset:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: lw a0, 4(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_o_with_offset:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: lw a0, 4(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_o_with_offset:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: lw a0, 4(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_o_with_offset:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: lw a0, 4(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
%1 = getelementptr i32, ptr %a, i32 1
%2 = tail call i32 asm "lw $0, $1", "=r,*o"(ptr elementtype(i32) %1)
ret i32 %2
}

define void @constraint_A(ptr %a) nounwind {
; RV32I-LABEL: constraint_A:
; RV32I: # %bb.0:
; RV32I-NEXT: #APP
; RV32I-NEXT: sb s0, 0(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: #APP
; RV32I-NEXT: lb s1, 0(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_A:
; RV64I: # %bb.0:
; RV64I-NEXT: #APP
; RV64I-NEXT: sb s0, 0(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: #APP
; RV64I-NEXT: lb s1, 0(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_A:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: sb s0, 0(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: lb s1, 0(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_A:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: sb s0, 0(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: lb s1, 0(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
tail call void asm sideeffect "sb s0, $0", "*A"(ptr elementtype(i8) %a)
tail call void asm sideeffect "lb s1, $0", "*A"(ptr elementtype(i8) %a)
ret void
}

define i32 @constraint_A_with_offset(ptr %a) nounwind {
; RV32I-LABEL: constraint_A_with_offset:
; RV32I: # %bb.0:
; RV32I-NEXT: addi a0, a0, 4
; RV32I-NEXT: #APP
; RV32I-NEXT: lw a0, 0(a0)
; RV32I-NEXT: #NO_APP
; RV32I-NEXT: ret
;
; RV64I-LABEL: constraint_A_with_offset:
; RV64I: # %bb.0:
; RV64I-NEXT: addi a0, a0, 4
; RV64I-NEXT: #APP
; RV64I-NEXT: lw a0, 0(a0)
; RV64I-NEXT: #NO_APP
; RV64I-NEXT: ret
;
; RV32I-MEDIUM-LABEL: constraint_A_with_offset:
; RV32I-MEDIUM: # %bb.0:
; RV32I-MEDIUM-NEXT: addi a0, a0, 4
; RV32I-MEDIUM-NEXT: #APP
; RV32I-MEDIUM-NEXT: lw a0, 0(a0)
; RV32I-MEDIUM-NEXT: #NO_APP
; RV32I-MEDIUM-NEXT: ret
;
; RV64I-MEDIUM-LABEL: constraint_A_with_offset:
; RV64I-MEDIUM: # %bb.0:
; RV64I-MEDIUM-NEXT: addi a0, a0, 4
; RV64I-MEDIUM-NEXT: #APP
; RV64I-MEDIUM-NEXT: lw a0, 0(a0)
; RV64I-MEDIUM-NEXT: #NO_APP
; RV64I-MEDIUM-NEXT: ret
%1 = getelementptr i32, ptr %a, i32 1
%2 = tail call i32 asm "lw $0, $1", "=r,*A"(ptr elementtype(i32) %1)
ret i32 %2
}

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