94 lines
4.4 KiB
LLVM
94 lines
4.4 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=thumbv8.1m.main-none-none-eabi -mattr=+mve.fp %s -verify-machineinstrs -o - | FileCheck %s
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define void @arm_min_helium_f32(float* %pSrc, i32 %blockSize, float* nocapture %pResult, i32* nocapture %pIndex) {
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; CHECK-LABEL: arm_min_helium_f32:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: .save {r4, r6, r7, lr}
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; CHECK-NEXT: push {r4, r6, r7, lr}
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; CHECK-NEXT: .vsave {d8, d9}
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; CHECK-NEXT: vpush {d8, d9}
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; CHECK-NEXT: movs r6, #0
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; CHECK-NEXT: vidup.u32 q2, r6, #1
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; CHECK-NEXT: adr r4, .LCPI0_0
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; CHECK-NEXT: vmov.i32 q0, #0x0
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; CHECK-NEXT: vldrw.u32 q1, [r4]
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; CHECK-NEXT: vmov.i32 q3, #0x4
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; CHECK-NEXT: mov r12, r1
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; CHECK-NEXT: dlstp.32 lr, r1
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; CHECK-NEXT: .LBB0_1: @ %do.body
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; CHECK-NEXT: @ =>This Inner Loop Header: Depth=1
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; CHECK-NEXT: vldrw.u32 q4, [r0], #16
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; CHECK-NEXT: vptt.f32 ge, q1, q4
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; CHECK-NEXT: vmovt q1, q4
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; CHECK-NEXT: vmovt q0, q2
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; CHECK-NEXT: vadd.i32 q2, q2, q3
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; CHECK-NEXT: letp lr, .LBB0_1
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; CHECK-NEXT: @ %bb.2: @ %do.end
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; CHECK-NEXT: vldr s8, .LCPI0_1
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; CHECK-NEXT: vdup.32 q3, r1
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; CHECK-NEXT: vmov r0, s8
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; CHECK-NEXT: vminnmv.f32 r0, q1
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; CHECK-NEXT: vcmp.f32 le, q1, r0
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; CHECK-NEXT: vmov s8, r0
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; CHECK-NEXT: vpsel q0, q0, q3
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; CHECK-NEXT: vminv.u32 r1, q0
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; CHECK-NEXT: str r1, [r3]
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; CHECK-NEXT: vstr s8, [r2]
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; CHECK-NEXT: vpop {d8, d9}
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; CHECK-NEXT: pop {r4, r6, r7, pc}
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; CHECK-NEXT: .p2align 4
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; CHECK-NEXT: @ %bb.3:
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; CHECK-NEXT: .LCPI0_0:
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; CHECK-NEXT: .long 0x5368d4a5 @ float 9.99999995E+11
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; CHECK-NEXT: .long 0x5368d4a5 @ float 9.99999995E+11
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; CHECK-NEXT: .long 0x5368d4a5 @ float 9.99999995E+11
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; CHECK-NEXT: .long 0x5368d4a5 @ float 9.99999995E+11
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; CHECK-NEXT: .LCPI0_1:
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; CHECK-NEXT: .long 0x5368d4a5 @ float 9.99999995E+11
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entry:
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%0 = tail call { <4 x i32>, i32 } @llvm.arm.mve.vidup.v4i32(i32 0, i32 1)
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%1 = extractvalue { <4 x i32>, i32 } %0, 0
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br label %do.body
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do.body: ; preds = %do.body, %entry
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%curExtremValVec.0 = phi <4 x float> [ <float 0x426D1A94A0000000, float 0x426D1A94A0000000, float 0x426D1A94A0000000, float 0x426D1A94A0000000>, %entry ], [ %8, %do.body ]
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%indexVec.0 = phi <4 x i32> [ %1, %entry ], [ %11, %do.body ]
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%2 = phi <4 x float> [ zeroinitializer, %entry ], [ %10, %do.body ]
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%blkCnt.0 = phi i32 [ %blockSize, %entry ], [ %sub, %do.body ]
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%pSrc.addr.0 = phi float* [ %pSrc, %entry ], [ %add.ptr, %do.body ]
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%3 = tail call <4 x i1> @llvm.arm.mve.vctp32(i32 %blkCnt.0)
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%4 = bitcast float* %pSrc.addr.0 to <4 x float>*
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%5 = tail call fast <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>* %4, i32 4, <4 x i1> %3, <4 x float> zeroinitializer)
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%6 = fcmp fast ole <4 x float> %5, %curExtremValVec.0
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%7 = and <4 x i1> %6, %3
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%8 = select fast <4 x i1> %7, <4 x float> %5, <4 x float> %curExtremValVec.0
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%9 = bitcast <4 x i32> %indexVec.0 to <4 x float>
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%10 = select fast <4 x i1> %7, <4 x float> %9, <4 x float> %2
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%11 = add <4 x i32> %indexVec.0, <i32 4, i32 4, i32 4, i32 4>
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%add.ptr = getelementptr inbounds float, float* %pSrc.addr.0, i32 4
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%sub = add nsw i32 %blkCnt.0, -4
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%cmp = icmp sgt i32 %blkCnt.0, 4
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br i1 %cmp, label %do.body, label %do.end
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do.end: ; preds = %do.body
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%12 = bitcast <4 x float> %10 to <4 x i32>
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%13 = tail call fast float @llvm.arm.mve.minnmv.f32.v4f32(float 0x426D1A94A0000000, <4 x float> %8)
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%.splatinsert = insertelement <4 x float> undef, float %13, i32 0
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%.splat = shufflevector <4 x float> %.splatinsert, <4 x float> undef, <4 x i32> zeroinitializer
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%14 = fcmp fast ole <4 x float> %8, %.splat
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%.splatinsert1 = insertelement <4 x i32> undef, i32 %blockSize, i32 0
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%.splat2 = shufflevector <4 x i32> %.splatinsert1, <4 x i32> undef, <4 x i32> zeroinitializer
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%15 = select <4 x i1> %14, <4 x i32> %12, <4 x i32> %.splat2
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%16 = tail call i32 @llvm.arm.mve.minv.v4i32(i32 %blockSize, <4 x i32> %15, i32 1)
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store i32 %16, i32* %pIndex, align 4
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store float %13, float* %pResult, align 4
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ret void
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}
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declare { <4 x i32>, i32 } @llvm.arm.mve.vidup.v4i32(i32, i32) #1
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declare <4 x i1> @llvm.arm.mve.vctp32(i32) #1
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declare <4 x float> @llvm.masked.load.v4f32.p0v4f32(<4 x float>*, i32 immarg, <4 x i1>, <4 x float>) #2
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declare float @llvm.arm.mve.minnmv.f32.v4f32(float, <4 x float>) #1
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declare i32 @llvm.arm.mve.minv.v4i32(i32, <4 x i32>, i32) #1
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