47 lines
1.6 KiB
LLVM
47 lines
1.6 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 -verify-machineinstrs %s -o - | FileCheck %s
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define void @_Z4loopPxS_iS_i(i64* %d) {
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; CHECK-LABEL: _Z4loopPxS_iS_i:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: vldrw.u32 q0, [r0]
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; CHECK-NEXT: vmov r1, s2
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; CHECK-NEXT: vmov r2, s0
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; CHECK-NEXT: rsbs r1, r1, #0
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; CHECK-NEXT: rsbs r2, r2, #0
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; CHECK-NEXT: sxth r1, r1
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; CHECK-NEXT: sxth r2, r2
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; CHECK-NEXT: asr.w r12, r1, #31
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; CHECK-NEXT: asrs r3, r2, #31
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; CHECK-NEXT: strd r2, r3, [r0]
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; CHECK-NEXT: strd r1, r12, [r0, #8]
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; CHECK-NEXT: bx lr
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entry:
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%wide.load = load <2 x i64>, <2 x i64>* undef, align 8
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%0 = trunc <2 x i64> %wide.load to <2 x i32>
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%1 = shl <2 x i32> %0, <i32 16, i32 16>
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%2 = ashr exact <2 x i32> %1, <i32 16, i32 16>
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%3 = sub <2 x i32> %2, %0
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%4 = and <2 x i32> %3, <i32 7, i32 7>
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%5 = shl <2 x i32> %2, %4
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%6 = extractelement <2 x i32> %5, i32 0
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%7 = zext i32 %6 to i64
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%8 = select i1 false, i64 %7, i64 undef
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%9 = trunc i64 %8 to i16
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%10 = sub i16 0, %9
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%11 = sext i16 %10 to i64
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%12 = getelementptr inbounds i64, i64* %d, i64 undef
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store i64 %11, i64* %12, align 8
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%13 = extractelement <2 x i32> %5, i32 1
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%14 = zext i32 %13 to i64
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%15 = select i1 false, i64 %14, i64 undef
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%16 = trunc i64 %15 to i16
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%17 = sub i16 0, %16
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%18 = sext i16 %17 to i64
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%19 = or i32 0, 1
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%20 = sext i32 %19 to i64
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%21 = getelementptr inbounds i64, i64* %d, i64 %20
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store i64 %18, i64* %21, align 8
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ret void
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}
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