llvm-project/llvm/test/CodeGen/X86/GlobalISel/select-memop-scalar-x32.mir

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# RUN: llc -mtriple=i386-linux-gnu -global-isel -run-pass=instruction-select -verify-machineinstrs %s -o - | FileCheck %s --check-prefix=ALL
--- |
define i8 @test_load_i8(i8* %p1) {
%r = load i8, i8* %p1
ret i8 %r
}
define i16 @test_load_i16(i16* %p1) {
%r = load i16, i16* %p1
ret i16 %r
}
define i32 @test_load_i32(i32* %p1) {
%r = load i32, i32* %p1
ret i32 %r
}
define i8* @test_store_i8(i8 %val, i8* %p1) {
store i8 %val, i8* %p1
ret i8* %p1
}
define i16* @test_store_i16(i16 %val, i16* %p1) {
store i16 %val, i16* %p1
ret i16* %p1
}
define i32* @test_store_i32(i32 %val, i32* %p1) {
store i32 %val, i32* %p1
ret i32* %p1
}
define i32* @test_load_ptr(i32** %ptr1) {
%p = load i32*, i32** %ptr1
ret i32* %p
}
define void @test_store_ptr(i32** %ptr1, i32* %a) {
store i32* %a, i32** %ptr1
ret void
}
...
---
name: test_load_i8
# ALL-LABEL: name: test_load_i8
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr8, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
fixedStack:
- { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV32rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.0, align 0)
# ALL-NEXT: %2 = MOV8rm %0, 1, _, 0, _ :: (load 1 from %ir.p1)
# ALL-NEXT: %al = COPY %2
# ALL-NEXT: RET 0, implicit %al
body: |
bb.1 (%ir-block.0):
%1(p0) = G_FRAME_INDEX %fixed-stack.0
%0(p0) = G_LOAD %1(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
%2(s8) = G_LOAD %0(p0) :: (load 1 from %ir.p1)
%al = COPY %2(s8)
RET 0, implicit %al
...
---
name: test_load_i16
# ALL-LABEL: name: test_load_i16
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr16, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
fixedStack:
- { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV32rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.0, align 0)
# ALL-NEXT: %2 = MOV16rm %0, 1, _, 0, _ :: (load 2 from %ir.p1)
# ALL-NEXT: %ax = COPY %2
# ALL-NEXT: RET 0, implicit %ax
body: |
bb.1 (%ir-block.0):
%1(p0) = G_FRAME_INDEX %fixed-stack.0
%0(p0) = G_LOAD %1(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
%2(s16) = G_LOAD %0(p0) :: (load 2 from %ir.p1)
%ax = COPY %2(s16)
RET 0, implicit %ax
...
---
name: test_load_i32
# ALL-LABEL: name: test_load_i32
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
fixedStack:
- { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV32rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.0, align 0)
# ALL-NEXT: %2 = MOV32rm %0, 1, _, 0, _ :: (load 4 from %ir.p1)
# ALL-NEXT: %eax = COPY %2
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
%1(p0) = G_FRAME_INDEX %fixed-stack.0
%0(p0) = G_LOAD %1(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
%2(s32) = G_LOAD %0(p0) :: (load 4 from %ir.p1)
%eax = COPY %2(s32)
RET 0, implicit %eax
...
---
name: test_store_i8
# ALL-LABEL: name: test_store_i8
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr8, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gpr, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
- { id: 3, class: gpr }
fixedStack:
- { id: 0, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
- { id: 1, offset: 0, size: 1, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV8rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 1 from %fixed-stack.0, align 0)
# ALL-NEXT: %1 = MOV32rm %fixed-stack.1, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.1, align 0)
# ALL-NEXT: MOV8mr %1, 1, _, 0, _, %0 :: (store 1 into %ir.p1)
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
%2(p0) = G_FRAME_INDEX %fixed-stack.1
%0(s8) = G_LOAD %2(p0) :: (invariant load 1 from %fixed-stack.1, align 0)
%3(p0) = G_FRAME_INDEX %fixed-stack.0
%1(p0) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
G_STORE %0(s8), %1(p0) :: (store 1 into %ir.p1)
%eax = COPY %1(p0)
RET 0, implicit %eax
...
---
name: test_store_i16
# ALL-LABEL: name: test_store_i16
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr16, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gpr, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
- { id: 3, class: gpr }
fixedStack:
- { id: 0, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
- { id: 1, offset: 0, size: 2, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV16rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 2 from %fixed-stack.0, align 0)
# ALL-NEXT: %1 = MOV32rm %fixed-stack.1, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.1, align 0)
# ALL-NEXT: MOV16mr %1, 1, _, 0, _, %0 :: (store 2 into %ir.p1)
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
%2(p0) = G_FRAME_INDEX %fixed-stack.1
%0(s16) = G_LOAD %2(p0) :: (invariant load 2 from %fixed-stack.1, align 0)
%3(p0) = G_FRAME_INDEX %fixed-stack.0
%1(p0) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
G_STORE %0(s16), %1(p0) :: (store 2 into %ir.p1)
%eax = COPY %1(p0)
RET 0, implicit %eax
...
---
name: test_store_i32
# ALL-LABEL: name: test_store_i32
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gpr, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
- { id: 3, class: gpr }
fixedStack:
- { id: 0, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
- { id: 1, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV32rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.0, align 0)
# ALL-NEXT: %1 = MOV32rm %fixed-stack.1, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.1, align 0)
# ALL-NEXT: MOV32mr %1, 1, _, 0, _, %0 :: (store 4 into %ir.p1)
# ALL-NEXT: %eax = COPY %1
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
%2(p0) = G_FRAME_INDEX %fixed-stack.1
%0(s32) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
%3(p0) = G_FRAME_INDEX %fixed-stack.0
%1(p0) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
G_STORE %0(s32), %1(p0) :: (store 4 into %ir.p1)
%eax = COPY %1(p0)
RET 0, implicit %eax
...
---
name: test_load_ptr
# ALL-LABEL: name: test_load_ptr
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gr32, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
fixedStack:
- { id: 0, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV32rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.0, align 0)
# ALL-NEXT: %2 = MOV32rm %0, 1, _, 0, _ :: (load 4 from %ir.ptr1)
# ALL-NEXT: %eax = COPY %2
# ALL-NEXT: RET 0, implicit %eax
body: |
bb.1 (%ir-block.0):
%1(p0) = G_FRAME_INDEX %fixed-stack.0
%0(p0) = G_LOAD %1(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
%2(p0) = G_LOAD %0(p0) :: (load 4 from %ir.ptr1)
%eax = COPY %2(p0)
RET 0, implicit %eax
...
---
name: test_store_ptr
# ALL-LABEL: name: test_store_ptr
alignment: 4
legalized: true
regBankSelected: true
# ALL: registers:
# ALL-NEXT: - { id: 0, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 1, class: gr32, preferred-register: '' }
# ALL-NEXT: - { id: 2, class: gpr, preferred-register: '' }
# ALL-NEXT: - { id: 3, class: gpr, preferred-register: '' }
registers:
- { id: 0, class: gpr }
- { id: 1, class: gpr }
- { id: 2, class: gpr }
- { id: 3, class: gpr }
fixedStack:
- { id: 0, offset: 4, size: 4, alignment: 4, isImmutable: true, isAliased: false }
- { id: 1, offset: 0, size: 4, alignment: 16, isImmutable: true, isAliased: false }
# ALL: %0 = MOV32rm %fixed-stack.0, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.0, align 0)
# ALL-NEXT: %1 = MOV32rm %fixed-stack.1, 1, _, 0, _ :: (invariant load 4 from %fixed-stack.1, align 0)
# ALL-NEXT: MOV32mr %0, 1, _, 0, _, %1 :: (store 4 into %ir.ptr1)
# ALL-NEXT: RET 0
body: |
bb.1 (%ir-block.0):
%2(p0) = G_FRAME_INDEX %fixed-stack.1
%0(p0) = G_LOAD %2(p0) :: (invariant load 4 from %fixed-stack.1, align 0)
%3(p0) = G_FRAME_INDEX %fixed-stack.0
%1(p0) = G_LOAD %3(p0) :: (invariant load 4 from %fixed-stack.0, align 0)
G_STORE %1(p0), %0(p0) :: (store 4 into %ir.ptr1)
RET 0
...