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[AArch64] Add tests with sext of vec3 loads.
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Another round of additional tests for
llvm#7863
with different sext/zext and use variants.
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@fhahn
fhahn committed Jan 30, 2024
1 parent 02a275c commit 6251b6b
Showing 1 changed file with 200 additions and 8 deletions.
208 changes: 200 additions & 8 deletions llvm/test/CodeGen/AArch64/vec3-loads-ext-trunc-stores.ll
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Original file line number Diff line number Diff line change
Expand Up @@ -345,6 +345,86 @@ define <3 x i32> @load_v3i32(ptr %src) {
ret <3 x i32> %l
}

define <3 x i32> @load_v3i8_zext_to_3xi32(ptr %src) {
; CHECK-LABEL: load_v3i8_zext_to_3xi32:
; CHECK: ; %bb.0:
; CHECK-NEXT: sub sp, sp, #16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: ldrh w8, [x0]
; CHECK-NEXT: movi.2d v1, #0x0000ff000000ff
; CHECK-NEXT: strh w8, [sp, #12]
; CHECK-NEXT: add x8, x0, #2
; CHECK-NEXT: ldr s0, [sp, #12]
; CHECK-NEXT: ushll.8h v0, v0, #0
; CHECK-NEXT: ld1.b { v0 }[4], [x8]
; CHECK-NEXT: ushll.4s v0, v0, #0
; CHECK-NEXT: and.16b v0, v0, v1
; CHECK-NEXT: add sp, sp, #16
; CHECK-NEXT: ret
;
; BE-LABEL: load_v3i8_zext_to_3xi32:
; BE: // %bb.0:
; BE-NEXT: sub sp, sp, #16
; BE-NEXT: .cfi_def_cfa_offset 16
; BE-NEXT: ldrh w8, [x0]
; BE-NEXT: movi v1.2d, #0x0000ff000000ff
; BE-NEXT: strh w8, [sp, #12]
; BE-NEXT: add x8, x0, #2
; BE-NEXT: ldr s0, [sp, #12]
; BE-NEXT: rev32 v0.8b, v0.8b
; BE-NEXT: ushll v0.8h, v0.8b, #0
; BE-NEXT: ld1 { v0.b }[4], [x8]
; BE-NEXT: ushll v0.4s, v0.4h, #0
; BE-NEXT: and v0.16b, v0.16b, v1.16b
; BE-NEXT: rev64 v0.4s, v0.4s
; BE-NEXT: ext v0.16b, v0.16b, v0.16b, #8
; BE-NEXT: add sp, sp, #16
; BE-NEXT: ret
%l = load <3 x i8>, ptr %src, align 1
%e = zext <3 x i8> %l to <3 x i32>
ret <3 x i32> %e
}

define <3 x i32> @load_v3i8_sext_to_3xi32(ptr %src) {
; CHECK-LABEL: load_v3i8_sext_to_3xi32:
; CHECK: ; %bb.0:
; CHECK-NEXT: sub sp, sp, #16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: ldrh w8, [x0]
; CHECK-NEXT: strh w8, [sp, #12]
; CHECK-NEXT: add x8, x0, #2
; CHECK-NEXT: ldr s0, [sp, #12]
; CHECK-NEXT: ushll.8h v0, v0, #0
; CHECK-NEXT: ld1.b { v0 }[4], [x8]
; CHECK-NEXT: ushll.4s v0, v0, #0
; CHECK-NEXT: shl.4s v0, v0, #24
; CHECK-NEXT: sshr.4s v0, v0, #24
; CHECK-NEXT: add sp, sp, #16
; CHECK-NEXT: ret
;
; BE-LABEL: load_v3i8_sext_to_3xi32:
; BE: // %bb.0:
; BE-NEXT: sub sp, sp, #16
; BE-NEXT: .cfi_def_cfa_offset 16
; BE-NEXT: ldrh w8, [x0]
; BE-NEXT: strh w8, [sp, #12]
; BE-NEXT: add x8, x0, #2
; BE-NEXT: ldr s0, [sp, #12]
; BE-NEXT: rev32 v0.8b, v0.8b
; BE-NEXT: ushll v0.8h, v0.8b, #0
; BE-NEXT: ld1 { v0.b }[4], [x8]
; BE-NEXT: ushll v0.4s, v0.4h, #0
; BE-NEXT: shl v0.4s, v0.4s, #24
; BE-NEXT: sshr v0.4s, v0.4s, #24
; BE-NEXT: rev64 v0.4s, v0.4s
; BE-NEXT: ext v0.16b, v0.16b, v0.16b, #8
; BE-NEXT: add sp, sp, #16
; BE-NEXT: ret
%l = load <3 x i8>, ptr %src, align 1
%e = sext <3 x i8> %l to <3 x i32>
ret <3 x i32> %e
}

define void @store_trunc_from_64bits(ptr %src, ptr %dst) {
; CHECK-LABEL: store_trunc_from_64bits:
; CHECK: ; %bb.0: ; %entry
Expand Down Expand Up @@ -388,9 +468,9 @@ define void @store_trunc_add_from_64bits(ptr %src, ptr %dst) {
; CHECK-NEXT: ldr s0, [x0]
; CHECK-NEXT: add x9, x0, #4
; CHECK-NEXT: Lloh0:
; CHECK-NEXT: adrp x8, lCPI9_0@PAGE
; CHECK-NEXT: adrp x8, lCPI11_0@PAGE
; CHECK-NEXT: Lloh1:
; CHECK-NEXT: ldr d1, [x8, lCPI9_0@PAGEOFF]
; CHECK-NEXT: ldr d1, [x8, lCPI11_0@PAGEOFF]
; CHECK-NEXT: add x8, x1, #1
; CHECK-NEXT: ld1.h { v0 }[2], [x9]
; CHECK-NEXT: add x9, x1, #2
Expand All @@ -409,8 +489,8 @@ define void @store_trunc_add_from_64bits(ptr %src, ptr %dst) {
; BE-NEXT: add x8, x0, #4
; BE-NEXT: rev32 v0.4h, v0.4h
; BE-NEXT: ld1 { v0.h }[2], [x8]
; BE-NEXT: adrp x8, .LCPI9_0
; BE-NEXT: add x8, x8, :lo12:.LCPI9_0
; BE-NEXT: adrp x8, .LCPI11_0
; BE-NEXT: add x8, x8, :lo12:.LCPI11_0
; BE-NEXT: ld1 { v1.4h }, [x8]
; BE-NEXT: add v0.4h, v0.4h, v1.4h
; BE-NEXT: xtn v1.8b, v0.8h
Expand Down Expand Up @@ -538,9 +618,9 @@ define void @load_ext_add_to_64bits(ptr %src, ptr %dst) {
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: ldrh w9, [x0]
; CHECK-NEXT: Lloh2:
; CHECK-NEXT: adrp x8, lCPI13_0@PAGE
; CHECK-NEXT: adrp x8, lCPI15_0@PAGE
; CHECK-NEXT: Lloh3:
; CHECK-NEXT: ldr d1, [x8, lCPI13_0@PAGEOFF]
; CHECK-NEXT: ldr d1, [x8, lCPI15_0@PAGEOFF]
; CHECK-NEXT: add x8, x1, #4
; CHECK-NEXT: strh w9, [sp, #12]
; CHECK-NEXT: add x9, x0, #2
Expand All @@ -566,8 +646,8 @@ define void @load_ext_add_to_64bits(ptr %src, ptr %dst) {
; BE-NEXT: rev32 v0.8b, v0.8b
; BE-NEXT: ushll v0.8h, v0.8b, #0
; BE-NEXT: ld1 { v0.b }[4], [x8]
; BE-NEXT: adrp x8, .LCPI13_0
; BE-NEXT: add x8, x8, :lo12:.LCPI13_0
; BE-NEXT: adrp x8, .LCPI15_0
; BE-NEXT: add x8, x8, :lo12:.LCPI15_0
; BE-NEXT: ld1 { v1.4h }, [x8]
; BE-NEXT: add x8, x1, #4
; BE-NEXT: bic v0.4h, #255, lsl #8
Expand Down Expand Up @@ -796,3 +876,115 @@ define void @shift_trunc_volatile_store(ptr %src, ptr %dst) {
store volatile <3 x i8> %t, ptr %dst, align 1
ret void
}

define void @load_v3i8_zext_to_3xi32_add_trunc_store(ptr %src) {
; CHECK-LABEL: load_v3i8_zext_to_3xi32_add_trunc_store:
; CHECK: ; %bb.0:
; CHECK-NEXT: sub sp, sp, #16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: ldrh w9, [x0]
; CHECK-NEXT: Lloh4:
; CHECK-NEXT: adrp x8, lCPI22_0@PAGE
; CHECK-NEXT: Lloh5:
; CHECK-NEXT: ldr q1, [x8, lCPI22_0@PAGEOFF]
; CHECK-NEXT: add x8, x0, #1
; CHECK-NEXT: strh w9, [sp, #12]
; CHECK-NEXT: add x9, x0, #2
; CHECK-NEXT: ldr s0, [sp, #12]
; CHECK-NEXT: ushll.8h v0, v0, #0
; CHECK-NEXT: ld1.b { v0 }[4], [x9]
; CHECK-NEXT: uaddw.4s v0, v1, v0
; CHECK-NEXT: st1.b { v0 }[4], [x8]
; CHECK-NEXT: st1.b { v0 }[8], [x9]
; CHECK-NEXT: st1.b { v0 }[0], [x0]
; CHECK-NEXT: add sp, sp, #16
; CHECK-NEXT: ret
; CHECK-NEXT: .loh AdrpLdr Lloh4, Lloh5
;
; BE-LABEL: load_v3i8_zext_to_3xi32_add_trunc_store:
; BE: // %bb.0:
; BE-NEXT: sub sp, sp, #16
; BE-NEXT: .cfi_def_cfa_offset 16
; BE-NEXT: ldrh w9, [x0]
; BE-NEXT: adrp x8, .LCPI22_0
; BE-NEXT: add x8, x8, :lo12:.LCPI22_0
; BE-NEXT: ld1 { v1.4h }, [x8]
; BE-NEXT: strh w9, [sp, #12]
; BE-NEXT: add x9, x0, #2
; BE-NEXT: ldr s0, [sp, #12]
; BE-NEXT: rev32 v0.8b, v0.8b
; BE-NEXT: ushll v0.8h, v0.8b, #0
; BE-NEXT: ld1 { v0.b }[4], [x9]
; BE-NEXT: add v0.4h, v0.4h, v1.4h
; BE-NEXT: xtn v1.8b, v0.8h
; BE-NEXT: umov w8, v0.h[2]
; BE-NEXT: rev32 v1.16b, v1.16b
; BE-NEXT: str s1, [sp, #8]
; BE-NEXT: ldrh w9, [sp, #8]
; BE-NEXT: strb w8, [x0, #2]
; BE-NEXT: strh w9, [x0]
; BE-NEXT: add sp, sp, #16
; BE-NEXT: ret
%l = load <3 x i8>, ptr %src, align 1
%e = zext <3 x i8> %l to <3 x i32>
%add = add <3 x i32> %e, <i32 1, i32 2, i32 3>
%t = trunc <3 x i32> %add to <3 x i8>
store <3 x i8> %t, ptr %src
ret void
}

define void @load_v3i8_sext_to_3xi32_add_trunc_store(ptr %src) {
; CHECK-LABEL: load_v3i8_sext_to_3xi32_add_trunc_store:
; CHECK: ; %bb.0:
; CHECK-NEXT: sub sp, sp, #16
; CHECK-NEXT: .cfi_def_cfa_offset 16
; CHECK-NEXT: ldrh w9, [x0]
; CHECK-NEXT: Lloh6:
; CHECK-NEXT: adrp x8, lCPI23_0@PAGE
; CHECK-NEXT: Lloh7:
; CHECK-NEXT: ldr q1, [x8, lCPI23_0@PAGEOFF]
; CHECK-NEXT: add x8, x0, #1
; CHECK-NEXT: strh w9, [sp, #12]
; CHECK-NEXT: add x9, x0, #2
; CHECK-NEXT: ldr s0, [sp, #12]
; CHECK-NEXT: ushll.8h v0, v0, #0
; CHECK-NEXT: ld1.b { v0 }[4], [x9]
; CHECK-NEXT: uaddw.4s v0, v1, v0
; CHECK-NEXT: st1.b { v0 }[4], [x8]
; CHECK-NEXT: st1.b { v0 }[8], [x9]
; CHECK-NEXT: st1.b { v0 }[0], [x0]
; CHECK-NEXT: add sp, sp, #16
; CHECK-NEXT: ret
; CHECK-NEXT: .loh AdrpLdr Lloh6, Lloh7
;
; BE-LABEL: load_v3i8_sext_to_3xi32_add_trunc_store:
; BE: // %bb.0:
; BE-NEXT: sub sp, sp, #16
; BE-NEXT: .cfi_def_cfa_offset 16
; BE-NEXT: ldrh w9, [x0]
; BE-NEXT: adrp x8, .LCPI23_0
; BE-NEXT: add x8, x8, :lo12:.LCPI23_0
; BE-NEXT: ld1 { v1.4h }, [x8]
; BE-NEXT: strh w9, [sp, #12]
; BE-NEXT: add x9, x0, #2
; BE-NEXT: ldr s0, [sp, #12]
; BE-NEXT: rev32 v0.8b, v0.8b
; BE-NEXT: ushll v0.8h, v0.8b, #0
; BE-NEXT: ld1 { v0.b }[4], [x9]
; BE-NEXT: add v0.4h, v0.4h, v1.4h
; BE-NEXT: xtn v1.8b, v0.8h
; BE-NEXT: umov w8, v0.h[2]
; BE-NEXT: rev32 v1.16b, v1.16b
; BE-NEXT: str s1, [sp, #8]
; BE-NEXT: ldrh w9, [sp, #8]
; BE-NEXT: strb w8, [x0, #2]
; BE-NEXT: strh w9, [x0]
; BE-NEXT: add sp, sp, #16
; BE-NEXT: ret
%l = load <3 x i8>, ptr %src, align 1
%e = sext <3 x i8> %l to <3 x i32>
%add = add <3 x i32> %e, <i32 1, i32 2, i32 3>
%t = trunc <3 x i32> %add to <3 x i8>
store <3 x i8> %t, ptr %src
ret void
}

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