derek.holloway
7502bf64a4
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61 lines
1.9 KiB
LLVM
61 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
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; RUN: llc -mtriple=armv7 %s -o - | FileCheck %s
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; RUN: llc -mtriple=thumbv7 %s -o - | FileCheck --check-prefix=THUMB %s
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declare double @fn()
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define void @test(ptr %p, ptr %res) nounwind {
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; CHECK-LABEL: test:
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; CHECK: @ %bb.0: @ %entry
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; CHECK-NEXT: push {r4, r5, r11, lr}
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; CHECK-NEXT: vldr d16, [r0]
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; CHECK-NEXT: mov r4, r1
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; CHECK-NEXT: vcmp.f64 d16, #0
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; CHECK-NEXT: vmrs APSR_nzcv, fpscr
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; CHECK-NEXT: mrs r5, apsr
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; CHECK-NEXT: vneg.f64 d17, d16
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; CHECK-NEXT: vmovne.f64 d16, d17
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; CHECK-NEXT: vstr d16, [r1]
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; CHECK-NEXT: bl fn
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; CHECK-NEXT: vmov d16, r0, r1
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; CHECK-NEXT: eor r1, r1, #-2147483648
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; CHECK-NEXT: msr APSR_nzcvq, r5
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; CHECK-NEXT: vmov d17, r0, r1
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; CHECK-NEXT: vmovne.f64 d16, d17
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; CHECK-NEXT: vstr d16, [r4]
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; CHECK-NEXT: pop {r4, r5, r11, pc}
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;
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; THUMB-LABEL: test:
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; THUMB: @ %bb.0: @ %entry
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; THUMB-NEXT: push {r4, r5, r7, lr}
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; THUMB-NEXT: vldr d16, [r0]
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; THUMB-NEXT: mov r4, r1
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; THUMB-NEXT: vcmp.f64 d16, #0
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; THUMB-NEXT: vmrs APSR_nzcv, fpscr
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; THUMB-NEXT: mrs r5, apsr
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; THUMB-NEXT: vneg.f64 d17, d16
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; THUMB-NEXT: it ne
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; THUMB-NEXT: vmovne.f64 d16, d17
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; THUMB-NEXT: vstr d16, [r1]
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; THUMB-NEXT: bl fn
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; THUMB-NEXT: vmov d16, r0, r1
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; THUMB-NEXT: eor r1, r1, #-2147483648
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; THUMB-NEXT: msr APSR_nzcvq, r5
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; THUMB-NEXT: vmov d17, r0, r1
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; THUMB-NEXT: it ne
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; THUMB-NEXT: vmovne.f64 d16, d17
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; THUMB-NEXT: vstr d16, [r4]
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; THUMB-NEXT: pop {r4, r5, r7, pc}
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entry:
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%x = load double, ptr %p
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%cmp = fcmp une double %x, 0.000000e+00
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%nx = fneg double %x
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%sx = select i1 %cmp, double %nx, double %x
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store double %sx, ptr %res
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%y = call double @fn()
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%ny = fneg double %y
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%sy = select i1 %cmp, double %ny, double %y
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store double %sy, ptr %res
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ret void
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}
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