forked from OSchip/llvm-project
326 lines
14 KiB
LLVM
326 lines
14 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -o - < %s | FileCheck %s
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target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64"
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target triple = "armv8-unknown-linux-gnueabihf"
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define <4 x float> @test(float* %A) {
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; CHECK-LABEL: test:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X.ptr = bitcast float* %A to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 4
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 8
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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define <4 x float> @test_stride(float* %A) {
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; CHECK-LABEL: test_stride:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: mov r1, #24
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0], r1
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0], r1
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X.ptr = bitcast float* %A to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 6
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 12
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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define <4 x float> @test_stride_mixed(float* %A) {
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; CHECK-LABEL: test_stride_mixed:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: mov r1, #24
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0], r1
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X.ptr = bitcast float* %A to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 6
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 10
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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; Refrain from using multiple stride registers
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define <4 x float> @test_stride_noop(float* %A) {
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; CHECK-LABEL: test_stride_noop:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: mov r1, #24
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0], r1
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; CHECK-NEXT: mov r1, #32
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0], r1
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X.ptr = bitcast float* %A to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 6
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 14
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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define <4 x float> @test_positive_initial_offset(float* %A) {
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; CHECK-LABEL: test_positive_initial_offset:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: add r0, r0, #32
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X.ptr.elt = getelementptr inbounds float, float* %A, i32 8
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%X.ptr = bitcast float* %X.ptr.elt to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 12
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 16
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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define <4 x float> @test_negative_initial_offset(float* %A) {
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; CHECK-LABEL: test_negative_initial_offset:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: sub r0, r0, #64
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X.ptr.elt = getelementptr inbounds float, float* %A, i32 -16
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%X.ptr = bitcast float* %X.ptr.elt to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 -12
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 -8
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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@global_float_array = external global [128 x float], align 4
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define <4 x float> @test_global() {
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; CHECK-LABEL: test_global:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: movw r0, :lower16:global_float_array
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; CHECK-NEXT: movt r0, :upper16:global_float_array
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; CHECK-NEXT: add r0, r0, #32
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: bx lr
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%X = load <4 x float>, <4 x float>* bitcast (float* getelementptr inbounds ([128 x float], [128 x float]* @global_float_array, i32 0, i32 8) to <4 x float>*), align 4
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%Y = load <4 x float>, <4 x float>* bitcast (float* getelementptr inbounds ([128 x float], [128 x float]* @global_float_array, i32 0, i32 12) to <4 x float>*), align 4
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%Z = load <4 x float>, <4 x float>* bitcast (float* getelementptr inbounds ([128 x float], [128 x float]* @global_float_array, i32 0, i32 16) to <4 x float>*), align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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define <4 x float> @test_stack() {
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; Use huge alignment to test that ADD would not be converted to OR
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; CHECK-LABEL: test_stack:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: .save {r4, r10, r11, lr}
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; CHECK-NEXT: push {r4, r10, r11, lr}
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; CHECK-NEXT: .setfp r11, sp, #8
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; CHECK-NEXT: add r11, sp, #8
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; CHECK-NEXT: .pad #240
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; CHECK-NEXT: sub sp, sp, #240
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; CHECK-NEXT: bfc sp, #0, #7
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; CHECK-NEXT: mov r4, sp
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; CHECK-NEXT: mov r0, r4
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; CHECK-NEXT: bl external_function
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; CHECK-NEXT: vld1.32 {d16, d17}, [r4:128]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r4:128]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vld1.64 {d18, d19}, [r4:128]
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; CHECK-NEXT: vadd.f32 q0, q8, q9
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; CHECK-NEXT: sub sp, r11, #8
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; CHECK-NEXT: pop {r4, r10, r11, pc}
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%array = alloca [32 x float], align 128
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%arraydecay = getelementptr inbounds [32 x float], [32 x float]* %array, i32 0, i32 0
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call void @external_function(float* %arraydecay)
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%X.ptr = bitcast [32 x float]* %array to <4 x float>*
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%X = load <4 x float>, <4 x float>* %X.ptr, align 4
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%Y.ptr.elt = getelementptr inbounds [32 x float], [32 x float]* %array, i32 0, i32 4
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds [32 x float], [32 x float]* %array, i32 0, i32 8
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%Z.ptr = bitcast float* %Z.ptr.elt to <4 x float>*
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%Z = load <4 x float>, <4 x float>* %Z.ptr, align 4
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%tmp.sum = fadd <4 x float> %X, %Y
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%sum = fadd <4 x float> %tmp.sum, %Z
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ret <4 x float> %sum
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}
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define <2 x double> @test_double(double* %A) {
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; CHECK-LABEL: test_double:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: add r0, r0, #64
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; CHECK-NEXT: vld1.64 {d16, d17}, [r0]!
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; CHECK-NEXT: vld1.64 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f64 d20, d17, d19
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; CHECK-NEXT: vadd.f64 d16, d16, d18
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; CHECK-NEXT: vld1.64 {d22, d23}, [r0]
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; CHECK-NEXT: vadd.f64 d1, d20, d23
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; CHECK-NEXT: vadd.f64 d0, d16, d22
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; CHECK-NEXT: bx lr
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%X.ptr.elt = getelementptr inbounds double, double* %A, i32 8
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%X.ptr = bitcast double* %X.ptr.elt to <2 x double>*
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%X = load <2 x double>, <2 x double>* %X.ptr, align 8
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%Y.ptr.elt = getelementptr inbounds double, double* %A, i32 10
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%Y.ptr = bitcast double* %Y.ptr.elt to <2 x double>*
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%Y = load <2 x double>, <2 x double>* %Y.ptr, align 8
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%Z.ptr.elt = getelementptr inbounds double, double* %A, i32 12
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%Z.ptr = bitcast double* %Z.ptr.elt to <2 x double>*
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%Z = load <2 x double>, <2 x double>* %Z.ptr, align 8
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%tmp.sum = fadd <2 x double> %X, %Y
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%sum = fadd <2 x double> %tmp.sum, %Z
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ret <2 x double> %sum
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}
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define void @test_various_instructions(float* %A) {
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; CHECK-LABEL: test_various_instructions:
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; CHECK: @ %bb.0:
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; CHECK-NEXT: vld1.32 {d16, d17}, [r0]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r0]!
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; CHECK-NEXT: vadd.f32 q8, q8, q9
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; CHECK-NEXT: vst1.32 {d16, d17}, [r0]
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; CHECK-NEXT: bx lr
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%X.ptr = bitcast float* %A to i8*
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%X = call <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8* %X.ptr, i32 1)
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%Y.ptr.elt = getelementptr inbounds float, float* %A, i32 4
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%Y.ptr = bitcast float* %Y.ptr.elt to <4 x float>*
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%Y = load <4 x float>, <4 x float>* %Y.ptr, align 4
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%Z.ptr.elt = getelementptr inbounds float, float* %A, i32 8
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%Z.ptr = bitcast float* %Z.ptr.elt to i8*
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%Z = fadd <4 x float> %X, %Y
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* nonnull %Z.ptr, <4 x float> %Z, i32 4)
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ret void
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}
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define void @test_lsr_geps(float* %a, float* %b, i32 %n) {
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; CHECK-LABEL: test_lsr_geps:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: cmp r2, #1
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; CHECK-NEXT: bxlt lr
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; CHECK-NEXT: .LBB10_1: @ %for.body.preheader
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; CHECK-NEXT: mov r12, #0
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; CHECK-NEXT: .LBB10_2: @ %for.body
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; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: add r3, r0, r12
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; CHECK-NEXT: subs r2, r2, #1
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; CHECK-NEXT: vld1.32 {d16, d17}, [r3]!
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; CHECK-NEXT: vld1.32 {d18, d19}, [r3]!
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; CHECK-NEXT: vld1.32 {d20, d21}, [r3]!
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; CHECK-NEXT: vld1.32 {d22, d23}, [r3]
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; CHECK-NEXT: add r3, r1, r12
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; CHECK-NEXT: add r12, r12, #64
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; CHECK-NEXT: vst1.32 {d16, d17}, [r3]!
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; CHECK-NEXT: vst1.32 {d18, d19}, [r3]!
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; CHECK-NEXT: vst1.32 {d20, d21}, [r3]!
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; CHECK-NEXT: vst1.32 {d22, d23}, [r3]
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; CHECK-NEXT: bne .LBB10_2
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; CHECK-NEXT: @ %bb.3: @ %for.cond.cleanup
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; CHECK-NEXT: bx lr
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entry:
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%cmp61 = icmp sgt i32 %n, 0
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br i1 %cmp61, label %for.body.preheader, label %for.cond.cleanup
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for.body.preheader:
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br label %for.body
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for.cond.cleanup:
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ret void
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for.body:
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%lsr.iv1 = phi i32 [ 0, %for.body.preheader ], [ %lsr.iv.next2, %for.body ]
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%lsr.iv = phi i32 [ %n, %for.body.preheader ], [ %lsr.iv.next, %for.body ]
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%0 = bitcast float* %a to i8*
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%1 = bitcast float* %b to i8*
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%uglygep19 = getelementptr i8, i8* %0, i32 %lsr.iv1
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%uglygep1920 = bitcast i8* %uglygep19 to <4 x float>*
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%2 = load <4 x float>, <4 x float>* %uglygep1920, align 4
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%uglygep16 = getelementptr i8, i8* %0, i32 %lsr.iv1
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%uglygep1617 = bitcast i8* %uglygep16 to <4 x float>*
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%scevgep18 = getelementptr <4 x float>, <4 x float>* %uglygep1617, i32 1
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%3 = load <4 x float>, <4 x float>* %scevgep18, align 4
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%uglygep13 = getelementptr i8, i8* %0, i32 %lsr.iv1
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%uglygep1314 = bitcast i8* %uglygep13 to <4 x float>*
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%scevgep15 = getelementptr <4 x float>, <4 x float>* %uglygep1314, i32 2
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%4 = load <4 x float>, <4 x float>* %scevgep15, align 4
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%uglygep10 = getelementptr i8, i8* %0, i32 %lsr.iv1
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%uglygep1011 = bitcast i8* %uglygep10 to <4 x float>*
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%scevgep12 = getelementptr <4 x float>, <4 x float>* %uglygep1011, i32 3
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%5 = load <4 x float>, <4 x float>* %scevgep12, align 4
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%uglygep8 = getelementptr i8, i8* %1, i32 %lsr.iv1
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* %uglygep8, <4 x float> %2, i32 4)
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%uglygep6 = getelementptr i8, i8* %1, i32 %lsr.iv1
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%scevgep7 = getelementptr i8, i8* %uglygep6, i32 16
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* nonnull %scevgep7, <4 x float> %3, i32 4)
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%uglygep4 = getelementptr i8, i8* %1, i32 %lsr.iv1
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%scevgep5 = getelementptr i8, i8* %uglygep4, i32 32
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* nonnull %scevgep5, <4 x float> %4, i32 4)
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%uglygep = getelementptr i8, i8* %1, i32 %lsr.iv1
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%scevgep = getelementptr i8, i8* %uglygep, i32 48
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tail call void @llvm.arm.neon.vst1.p0i8.v4f32(i8* nonnull %scevgep, <4 x float> %5, i32 4)
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%lsr.iv.next = add i32 %lsr.iv, -1
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%lsr.iv.next2 = add nuw i32 %lsr.iv1, 64
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%exitcond.not = icmp eq i32 %lsr.iv.next, 0
|
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br i1 %exitcond.not, label %for.cond.cleanup, label %for.body
|
|
}
|
|
|
|
declare void @external_function(float*)
|
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declare <4 x float> @llvm.arm.neon.vld1.v4f32.p0i8(i8*, i32) nounwind readonly
|
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declare void @llvm.arm.neon.vst1.p0i8.v4f32(i8*, <4 x float>, i32) nounwind argmemonly
|