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Most immediates are printed in Aarch64InstPrinter using 'formatImm' macro, but not all of them. Implementation contains following rules: - floating point immediates are always printed as decimal - signed integer immediates are printed depends on flag settings (for negative values 'formatImm' macro prints the value as i.e -0x01 which may be convenient when imm is an address or offset) - logical immediates are always printed as hex - the 64-bit immediate for advSIMD, encoded in "a🅱️c:d:e:f:g:h" is always printed as hex - the 64-bit immedaite in exception generation instructions like: brk, dcps1, dcps2, dcps3, hlt, hvc, smc, svc is always printed as hex - the rest of immediates is printed depends on availability of -print-imm-hex Signed-off-by: Maciej Gabka <maciej.gabka@arm.com> Signed-off-by: Paul Osmialowski <pawel.osmialowski@arm.com> Differential Revision: http://reviews.llvm.org/D16929 llvm-svn: 269446
30 lines
818 B
LLVM
30 lines
818 B
LLVM
; RUN: llc < %s -mtriple=arm64-apple-ios | FileCheck %s
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; CHECK-LABEL: _test:
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; CHECK: fmov.2d v0, #2.00000000
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; CHECK: str q0, [sp, #-16]!
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; CHECK: mov x8, sp
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; CHECK: ldr s0, [x8, w1, sxtw #2]
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; CHECK: str s0, [x0]
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define void @test(float * %p1, i32 %v1) {
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entry:
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%v2 = extractelement <3 x float> <float 0.000000e+00, float 2.000000e+00, float 0.000000e+00>, i32 %v1
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store float %v2, float* %p1, align 4
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ret void
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}
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; CHECK-LABEL: _test2
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; CHECK: movi.16b v0, #63
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; CHECK: str q0, [sp, #-16]!
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; CHECK: mov x8, sp
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; CHECK: ldr s0, [x8, w1, sxtw #2]
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; CHECK: str s0, [x0]
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define void @test2(float * %p1, i32 %v1) {
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entry:
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%v2 = extractelement <3 x float> <float 0.7470588088035583, float 0.7470588088035583, float 0.7470588088035583>, i32 %v1
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store float %v2, float* %p1, align 4
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ret void
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}
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