derek.holloway
7502bf64a4
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272 lines
9.0 KiB
LLVM
272 lines
9.0 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=aarch64-linux-gnu | FileCheck %s
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define i32 @func(i32 %x, i32 %y) nounwind {
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; CHECK-LABEL: func:
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; CHECK: // %bb.0:
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; CHECK-NEXT: smull x9, w0, w1
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; CHECK-NEXT: mov w8, #2147483647 // =0x7fffffff
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; CHECK-NEXT: lsr x10, x9, #32
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; CHECK-NEXT: extr w9, w10, w9, #2
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; CHECK-NEXT: cmp w10, #1
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; CHECK-NEXT: csel w8, w8, w9, gt
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; CHECK-NEXT: cmn w10, #2
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; CHECK-NEXT: mov w9, #-2147483648 // =0x80000000
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; CHECK-NEXT: csel w0, w9, w8, lt
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; CHECK-NEXT: ret
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%tmp = call i32 @llvm.smul.fix.sat.i32(i32 %x, i32 %y, i32 2)
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ret i32 %tmp
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}
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define i64 @func2(i64 %x, i64 %y) nounwind {
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; CHECK-LABEL: func2:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mul x9, x0, x1
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; CHECK-NEXT: mov x8, #9223372036854775807 // =0x7fffffffffffffff
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; CHECK-NEXT: smulh x10, x0, x1
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; CHECK-NEXT: extr x9, x10, x9, #2
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; CHECK-NEXT: cmp x10, #1
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; CHECK-NEXT: csel x8, x8, x9, gt
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; CHECK-NEXT: cmn x10, #2
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; CHECK-NEXT: mov x9, #-9223372036854775808 // =0x8000000000000000
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; CHECK-NEXT: csel x0, x9, x8, lt
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; CHECK-NEXT: ret
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%tmp = call i64 @llvm.smul.fix.sat.i64(i64 %x, i64 %y, i32 2)
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ret i64 %tmp
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}
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define i4 @func3(i4 %x, i4 %y) nounwind {
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; CHECK-LABEL: func3:
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; CHECK: // %bb.0:
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; CHECK-NEXT: sbfx w9, w1, #0, #4
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; CHECK-NEXT: lsl w10, w0, #28
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; CHECK-NEXT: mov w8, #2147483647 // =0x7fffffff
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; CHECK-NEXT: smull x9, w10, w9
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; CHECK-NEXT: lsr x10, x9, #32
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; CHECK-NEXT: extr w9, w10, w9, #2
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; CHECK-NEXT: cmp w10, #1
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; CHECK-NEXT: csel w8, w8, w9, gt
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; CHECK-NEXT: cmn w10, #2
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; CHECK-NEXT: mov w9, #-2147483648 // =0x80000000
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; CHECK-NEXT: csel w8, w9, w8, lt
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; CHECK-NEXT: asr w0, w8, #28
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; CHECK-NEXT: ret
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%tmp = call i4 @llvm.smul.fix.sat.i4(i4 %x, i4 %y, i32 2)
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ret i4 %tmp
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}
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;; These result in regular integer multiplication with a saturation check.
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define i32 @func4(i32 %x, i32 %y) nounwind {
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; CHECK-LABEL: func4:
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; CHECK: // %bb.0:
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; CHECK-NEXT: smull x9, w0, w1
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; CHECK-NEXT: eor w10, w0, w1
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; CHECK-NEXT: mov w8, #-2147483648 // =0x80000000
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; CHECK-NEXT: cmp w10, #0
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; CHECK-NEXT: cinv w8, w8, pl
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; CHECK-NEXT: cmp x9, w9, sxtw
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; CHECK-NEXT: csel w0, w8, w9, ne
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; CHECK-NEXT: ret
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%tmp = call i32 @llvm.smul.fix.sat.i32(i32 %x, i32 %y, i32 0)
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ret i32 %tmp
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}
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define i64 @func5(i64 %x, i64 %y) {
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; CHECK-LABEL: func5:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mul x9, x0, x1
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; CHECK-NEXT: eor x11, x0, x1
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; CHECK-NEXT: mov x8, #-9223372036854775808 // =0x8000000000000000
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; CHECK-NEXT: cmp x11, #0
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; CHECK-NEXT: smulh x10, x0, x1
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; CHECK-NEXT: cinv x8, x8, pl
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; CHECK-NEXT: cmp x10, x9, asr #63
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; CHECK-NEXT: csel x0, x8, x9, ne
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; CHECK-NEXT: ret
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%tmp = call i64 @llvm.smul.fix.sat.i64(i64 %x, i64 %y, i32 0)
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ret i64 %tmp
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}
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define i4 @func6(i4 %x, i4 %y) nounwind {
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; CHECK-LABEL: func6:
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; CHECK: // %bb.0:
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; CHECK-NEXT: sbfx w9, w1, #0, #4
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; CHECK-NEXT: lsl w10, w0, #28
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; CHECK-NEXT: mov w8, #-2147483648 // =0x80000000
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; CHECK-NEXT: smull x11, w10, w9
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; CHECK-NEXT: eor w9, w10, w9
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; CHECK-NEXT: cmp w9, #0
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; CHECK-NEXT: cinv w8, w8, pl
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; CHECK-NEXT: cmp x11, w11, sxtw
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; CHECK-NEXT: csel w8, w8, w11, ne
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; CHECK-NEXT: asr w0, w8, #28
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; CHECK-NEXT: ret
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%tmp = call i4 @llvm.smul.fix.sat.i4(i4 %x, i4 %y, i32 0)
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ret i4 %tmp
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}
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define i64 @func7(i64 %x, i64 %y) nounwind {
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; CHECK-LABEL: func7:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mul x9, x0, x1
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; CHECK-NEXT: mov w8, #2147483647 // =0x7fffffff
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; CHECK-NEXT: mov x11, #-2147483648 // =0xffffffff80000000
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; CHECK-NEXT: smulh x10, x0, x1
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; CHECK-NEXT: extr x9, x10, x9, #32
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; CHECK-NEXT: cmp x10, x8
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; CHECK-NEXT: mov x8, #9223372036854775807 // =0x7fffffffffffffff
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; CHECK-NEXT: csel x8, x8, x9, gt
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; CHECK-NEXT: cmp x10, x11
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; CHECK-NEXT: mov x9, #-9223372036854775808 // =0x8000000000000000
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; CHECK-NEXT: csel x0, x9, x8, lt
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; CHECK-NEXT: ret
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%tmp = call i64 @llvm.smul.fix.sat.i64(i64 %x, i64 %y, i32 32)
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ret i64 %tmp
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}
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define i64 @func8(i64 %x, i64 %y) nounwind {
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; CHECK-LABEL: func8:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mul x9, x0, x1
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; CHECK-NEXT: mov x8, #4611686018427387903 // =0x3fffffffffffffff
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; CHECK-NEXT: mov x11, #-4611686018427387904 // =0xc000000000000000
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; CHECK-NEXT: smulh x10, x0, x1
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; CHECK-NEXT: extr x9, x10, x9, #63
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; CHECK-NEXT: cmp x10, x8
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; CHECK-NEXT: mov x8, #9223372036854775807 // =0x7fffffffffffffff
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; CHECK-NEXT: csel x8, x8, x9, gt
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; CHECK-NEXT: cmp x10, x11
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; CHECK-NEXT: mov x9, #-9223372036854775808 // =0x8000000000000000
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; CHECK-NEXT: csel x0, x9, x8, lt
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; CHECK-NEXT: ret
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%tmp = call i64 @llvm.smul.fix.sat.i64(i64 %x, i64 %y, i32 63)
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ret i64 %tmp
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}
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define <2 x i32> @vec(<2 x i32> %x, <2 x i32> %y) nounwind {
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; CHECK-LABEL: vec:
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; CHECK: // %bb.0:
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; CHECK-NEXT: // kill: def $d1 killed $d1 def $q1
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; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
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; CHECK-NEXT: mov w9, v1.s[1]
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; CHECK-NEXT: mov w10, v0.s[1]
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; CHECK-NEXT: mov w8, #-2147483648 // =0x80000000
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; CHECK-NEXT: fmov w12, s0
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; CHECK-NEXT: smull x11, w10, w9
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; CHECK-NEXT: eor w9, w10, w9
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; CHECK-NEXT: fmov w10, s1
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; CHECK-NEXT: cmp w9, #0
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; CHECK-NEXT: smull x9, w12, w10
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; CHECK-NEXT: eor w10, w12, w10
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; CHECK-NEXT: cinv w12, w8, pl
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; CHECK-NEXT: cmp x11, w11, sxtw
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; CHECK-NEXT: csel w11, w12, w11, ne
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; CHECK-NEXT: cmp w10, #0
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; CHECK-NEXT: cinv w8, w8, pl
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; CHECK-NEXT: cmp x9, w9, sxtw
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; CHECK-NEXT: csel w8, w8, w9, ne
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; CHECK-NEXT: fmov s0, w8
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; CHECK-NEXT: mov v0.s[1], w11
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; CHECK-NEXT: // kill: def $d0 killed $d0 killed $q0
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; CHECK-NEXT: ret
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%tmp = call <2 x i32> @llvm.smul.fix.sat.v2i32(<2 x i32> %x, <2 x i32> %y, i32 0)
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ret <2 x i32> %tmp
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}
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define <4 x i32> @vec2(<4 x i32> %x, <4 x i32> %y) nounwind {
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; CHECK-LABEL: vec2:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov w9, v1.s[1]
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; CHECK-NEXT: mov w10, v0.s[1]
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; CHECK-NEXT: mov w8, #-2147483648 // =0x80000000
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; CHECK-NEXT: fmov w12, s1
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; CHECK-NEXT: fmov w13, s0
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; CHECK-NEXT: mov w14, v0.s[2]
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; CHECK-NEXT: eor w11, w10, w9
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; CHECK-NEXT: smull x9, w10, w9
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; CHECK-NEXT: mov w10, v1.s[2]
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; CHECK-NEXT: cmp w11, #0
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; CHECK-NEXT: smull x11, w13, w12
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; CHECK-NEXT: eor w12, w13, w12
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; CHECK-NEXT: cinv w13, w8, pl
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; CHECK-NEXT: cmp x9, w9, sxtw
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; CHECK-NEXT: csel w9, w13, w9, ne
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; CHECK-NEXT: cmp w12, #0
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; CHECK-NEXT: mov w13, v1.s[3]
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; CHECK-NEXT: cinv w12, w8, pl
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; CHECK-NEXT: cmp x11, w11, sxtw
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; CHECK-NEXT: csel w11, w12, w11, ne
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; CHECK-NEXT: mov w12, v0.s[3]
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; CHECK-NEXT: fmov s0, w11
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; CHECK-NEXT: smull x11, w14, w10
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; CHECK-NEXT: mov v0.s[1], w9
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; CHECK-NEXT: eor w9, w14, w10
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; CHECK-NEXT: smull x10, w12, w13
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; CHECK-NEXT: cmp w9, #0
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; CHECK-NEXT: cinv w9, w8, pl
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; CHECK-NEXT: cmp x11, w11, sxtw
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; CHECK-NEXT: csel w9, w9, w11, ne
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; CHECK-NEXT: mov v0.s[2], w9
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; CHECK-NEXT: eor w9, w12, w13
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; CHECK-NEXT: cmp w9, #0
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; CHECK-NEXT: cinv w8, w8, pl
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; CHECK-NEXT: cmp x10, w10, sxtw
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; CHECK-NEXT: csel w8, w8, w10, ne
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; CHECK-NEXT: mov v0.s[3], w8
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; CHECK-NEXT: ret
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%tmp = call <4 x i32> @llvm.smul.fix.sat.v4i32(<4 x i32> %x, <4 x i32> %y, i32 0)
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ret <4 x i32> %tmp
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}
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define <4 x i64> @vec3(<4 x i64> %x, <4 x i64> %y) nounwind {
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; CHECK-LABEL: vec3:
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; CHECK: // %bb.0:
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; CHECK-NEXT: mov x8, v2.d[1]
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; CHECK-NEXT: mov x9, v0.d[1]
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; CHECK-NEXT: mov w16, #2147483647 // =0x7fffffff
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; CHECK-NEXT: fmov x10, d2
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; CHECK-NEXT: fmov x11, d0
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; CHECK-NEXT: mov x18, #9223372036854775807 // =0x7fffffffffffffff
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; CHECK-NEXT: mov x14, v3.d[1]
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; CHECK-NEXT: mov x15, v1.d[1]
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; CHECK-NEXT: mul x13, x9, x8
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; CHECK-NEXT: smulh x8, x9, x8
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; CHECK-NEXT: mul x12, x11, x10
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; CHECK-NEXT: smulh x9, x11, x10
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; CHECK-NEXT: extr x13, x8, x13, #32
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; CHECK-NEXT: cmp x8, x16
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; CHECK-NEXT: mul x10, x15, x14
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; CHECK-NEXT: csel x13, x18, x13, gt
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; CHECK-NEXT: smulh x11, x15, x14
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; CHECK-NEXT: fmov x14, d3
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; CHECK-NEXT: fmov x15, d1
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; CHECK-NEXT: extr x12, x9, x12, #32
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; CHECK-NEXT: mul x17, x15, x14
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; CHECK-NEXT: smulh x14, x15, x14
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; CHECK-NEXT: mov x15, #-2147483648 // =0xffffffff80000000
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; CHECK-NEXT: cmp x8, x15
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; CHECK-NEXT: mov x8, #-9223372036854775808 // =0x8000000000000000
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; CHECK-NEXT: csel x13, x8, x13, lt
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; CHECK-NEXT: cmp x9, x16
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; CHECK-NEXT: csel x12, x18, x12, gt
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; CHECK-NEXT: cmp x9, x15
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; CHECK-NEXT: extr x9, x11, x10, #32
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; CHECK-NEXT: csel x10, x8, x12, lt
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; CHECK-NEXT: cmp x11, x16
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; CHECK-NEXT: csel x9, x18, x9, gt
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; CHECK-NEXT: cmp x11, x15
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; CHECK-NEXT: extr x11, x14, x17, #32
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; CHECK-NEXT: csel x9, x8, x9, lt
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; CHECK-NEXT: cmp x14, x16
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; CHECK-NEXT: fmov d0, x10
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; CHECK-NEXT: csel x11, x18, x11, gt
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; CHECK-NEXT: cmp x14, x15
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; CHECK-NEXT: csel x8, x8, x11, lt
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; CHECK-NEXT: fmov d1, x8
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; CHECK-NEXT: mov v0.d[1], x13
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; CHECK-NEXT: mov v1.d[1], x9
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; CHECK-NEXT: ret
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%tmp = call <4 x i64> @llvm.smul.fix.sat.v4i64(<4 x i64> %x, <4 x i64> %y, i32 32)
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ret <4 x i64> %tmp
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}
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