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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/sitofp-to-tbl.ll
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

275 lines
8.2 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
; RUN: llc -verify-machineinstrs < %s | FileCheck %s
target triple = "aarch64-linux"
; CHECK-LABEL: .LCPI0_0:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 6
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 7
; CHECK-NEXT: .LCPI0_1:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 3
define void @sitofp_v8i8_to_v8f32(ptr %src, ptr %dst) {
; CHECK-LABEL: sitofp_v8i8_to_v8f32:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: adrp x8, .LCPI0_0
; CHECK-NEXT: adrp x9, .LCPI0_1
; CHECK-NEXT: ldr q0, [x8, :lo12:.LCPI0_0]
; CHECK-NEXT: ldr q1, [x9, :lo12:.LCPI0_1]
; CHECK-NEXT: mov x8, xzr
; CHECK-NEXT: .LBB0_1: // %loop
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldr d2, [x0, x8, lsl #3]
; CHECK-NEXT: add x9, x1, x8, lsl #5
; CHECK-NEXT: add x8, x8, #1
; CHECK-NEXT: cmp x8, #1000
; CHECK-NEXT: tbl v3.16b, { v2.16b }, v0.16b
; CHECK-NEXT: tbl v2.16b, { v2.16b }, v1.16b
; CHECK-NEXT: scvtf v3.4s, v3.4s, #24
; CHECK-NEXT: scvtf v2.4s, v2.4s, #24
; CHECK-NEXT: stp q2, q3, [x9]
; CHECK-NEXT: b.eq .LBB0_1
; CHECK-NEXT: // %bb.2: // %exit
; CHECK-NEXT: ret
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%gep.src = getelementptr inbounds <8 x i8>, ptr %src, i64 %iv
%l = load <8 x i8>, ptr %gep.src
%conv = sitofp <8 x i8> %l to <8 x float>
%gep.dst = getelementptr inbounds <8 x float>, ptr %dst, i64 %iv
store <8 x float> %conv, ptr %gep.dst
%iv.next = add i64 %iv, 1
%ec = icmp eq i64 %iv.next, 1000
br i1 %ec, label %loop, label %exit
exit:
ret void
}
; CHECK-LABEL: .LCPI1_0:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 12
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 13
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 14
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 15
; CHECK-NEXT: .LCPI1_1:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 8
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 9
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 10
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 11
; CHECK-NEXT: .LCPI1_2:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 4
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 5
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 6
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 7
; CHECK-NEXT: .LCPI1_3:
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 0
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 1
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 2
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 255
; CHECK-NEXT: .byte 3
define void @sitofp_v16i8_to_v16f32(ptr %src, ptr %dst) {
; CHECK-LABEL: sitofp_v16i8_to_v16f32:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: adrp x8, .LCPI1_0
; CHECK-NEXT: adrp x9, .LCPI1_1
; CHECK-NEXT: adrp x10, .LCPI1_2
; CHECK-NEXT: ldr q0, [x8, :lo12:.LCPI1_0]
; CHECK-NEXT: adrp x8, .LCPI1_3
; CHECK-NEXT: ldr q1, [x9, :lo12:.LCPI1_1]
; CHECK-NEXT: ldr q2, [x10, :lo12:.LCPI1_2]
; CHECK-NEXT: ldr q3, [x8, :lo12:.LCPI1_3]
; CHECK-NEXT: mov x8, xzr
; CHECK-NEXT: .LBB1_1: // %loop
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldr q4, [x0, x8, lsl #4]
; CHECK-NEXT: add x9, x1, x8, lsl #6
; CHECK-NEXT: add x8, x8, #1
; CHECK-NEXT: cmp x8, #1000
; CHECK-NEXT: tbl v5.16b, { v4.16b }, v0.16b
; CHECK-NEXT: tbl v6.16b, { v4.16b }, v1.16b
; CHECK-NEXT: tbl v7.16b, { v4.16b }, v2.16b
; CHECK-NEXT: tbl v4.16b, { v4.16b }, v3.16b
; CHECK-NEXT: scvtf v5.4s, v5.4s, #24
; CHECK-NEXT: scvtf v6.4s, v6.4s, #24
; CHECK-NEXT: scvtf v7.4s, v7.4s, #24
; CHECK-NEXT: scvtf v4.4s, v4.4s, #24
; CHECK-NEXT: stp q6, q5, [x9, #32]
; CHECK-NEXT: stp q4, q7, [x9]
; CHECK-NEXT: b.eq .LBB1_1
; CHECK-NEXT: // %bb.2: // %exit
; CHECK-NEXT: ret
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%gep.src = getelementptr inbounds <16 x i8>, ptr %src, i64 %iv
%l = load <16 x i8>, ptr %gep.src
%conv = sitofp <16 x i8> %l to <16 x float>
%gep.dst = getelementptr inbounds <16 x float>, ptr %dst, i64 %iv
store <16 x float> %conv, ptr %gep.dst
%iv.next = add i64 %iv, 1
%ec = icmp eq i64 %iv.next, 1000
br i1 %ec, label %loop, label %exit
exit:
ret void
}
; Negative tests, currently we don't convert to f16/bf16 via `tbl`.
define void @sitofp_v8i8_to_v8f16(ptr %src, ptr %dst) {
; CHECK-LABEL: sitofp_v8i8_to_v8f16:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov x8, xzr
; CHECK-NEXT: .LBB2_1: // %loop
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldr d0, [x0, x8, lsl #3]
; CHECK-NEXT: sshll v0.8h, v0.8b, #0
; CHECK-NEXT: sshll v1.4s, v0.4h, #0
; CHECK-NEXT: sshll2 v0.4s, v0.8h, #0
; CHECK-NEXT: scvtf v1.4s, v1.4s
; CHECK-NEXT: scvtf v0.4s, v0.4s
; CHECK-NEXT: fcvtn v1.4h, v1.4s
; CHECK-NEXT: fcvtn2 v1.8h, v0.4s
; CHECK-NEXT: str q1, [x1, x8, lsl #4]
; CHECK-NEXT: add x8, x8, #1
; CHECK-NEXT: cmp x8, #1000
; CHECK-NEXT: b.eq .LBB2_1
; CHECK-NEXT: // %bb.2: // %exit
; CHECK-NEXT: ret
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%gep.src = getelementptr inbounds <8 x i8>, ptr %src, i64 %iv
%l = load <8 x i8>, ptr %gep.src
%conv = sitofp <8 x i8> %l to <8 x half>
%gep.dst = getelementptr inbounds <8 x half>, ptr %dst, i64 %iv
store <8 x half> %conv, ptr %gep.dst
%iv.next = add i64 %iv, 1
%ec = icmp eq i64 %iv.next, 1000
br i1 %ec, label %loop, label %exit
exit:
ret void
}
; Negative test, conversion to double with the help of `tbl` not implemented (TODO)
define void @sitofp_v2i8_to_v2f64(ptr %src, ptr %dst) {
; CHECK-LABEL: sitofp_v2i8_to_v2f64:
; CHECK: // %bb.0: // %entry
; CHECK-NEXT: mov x8, xzr
; CHECK-NEXT: .LBB3_1: // %loop
; CHECK-NEXT: // =>This Inner Loop Header: Depth=1
; CHECK-NEXT: ldr h0, [x0, x8, lsl #1]
; CHECK-NEXT: sshll v0.8h, v0.8b, #0
; CHECK-NEXT: sshll v0.4s, v0.4h, #0
; CHECK-NEXT: sshll v0.2d, v0.2s, #0
; CHECK-NEXT: scvtf v0.2d, v0.2d
; CHECK-NEXT: str q0, [x1, x8, lsl #4]
; CHECK-NEXT: add x8, x8, #1
; CHECK-NEXT: cmp x8, #1000
; CHECK-NEXT: b.eq .LBB3_1
; CHECK-NEXT: // %bb.2: // %exit
; CHECK-NEXT: ret
entry:
br label %loop
loop:
%iv = phi i64 [ 0, %entry ], [ %iv.next, %loop ]
%gep.src = getelementptr inbounds <2 x i8>, ptr %src, i64 %iv
%l = load <2 x i8>, ptr %gep.src
%conv = sitofp <2 x i8> %l to <2 x double>
%gep.dst = getelementptr inbounds <2 x double>, ptr %dst, i64 %iv
store <2 x double> %conv, ptr %gep.dst
%iv.next = add i64 %iv, 1
%ec = icmp eq i64 %iv.next, 1000
br i1 %ec, label %loop, label %exit
exit:
ret void
}
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