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0fa09433f0
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
58 lines
1.8 KiB
LLVM
58 lines
1.8 KiB
LLVM
; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs < %s | FileCheck %s
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; RUN: llc -mtriple=aarch64-apple-darwin -code-model=large -verify-machineinstrs < %s | FileCheck %s --check-prefix=LARGE
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; RUN: llc -mtriple=aarch64-apple-darwin -code-model=large -fast-isel -fast-isel-abort=1 -verify-machineinstrs < %s | FileCheck %s --check-prefix=LARGE
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@varf32 = global float 0.0
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@varf64 = global double 0.0
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define void @check_float() {
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; CHECK-LABEL: check_float:
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%val = load float, float* @varf32
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%newval1 = fadd float %val, 8.5
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store volatile float %newval1, float* @varf32
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; CHECK-DAG: fmov [[EIGHT5:s[0-9]+]], #8.5
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%newval2 = fadd float %val, 128.0
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store volatile float %newval2, float* @varf32
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; CHECK-DAG: ldr [[HARD:s[0-9]+]], [{{x[0-9]+}}, {{#?}}:lo12:.LCPI0_0
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; CHECK: ret
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ret void
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}
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define void @check_double() {
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; CHECK-LABEL: check_double:
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%val = load double, double* @varf64
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%newval1 = fadd double %val, 8.5
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store volatile double %newval1, double* @varf64
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; CHECK-DAG: fmov {{d[0-9]+}}, #8.5
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%newval2 = fadd double %val, 128.0
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store volatile double %newval2, double* @varf64
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; CHECK-DAG: ldr {{d[0-9]+}}, [{{x[0-9]+}}, {{#?}}:lo12:.LCPI1_0
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; CHECK: ret
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ret void
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}
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; LARGE-LABEL: check_float2
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; LARGE: movz [[REG:w[0-9]+]], #16457, lsl #16
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; LARGE-NEXT: movk [[REG]], #4059
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; LARGE-NEXT: fmov s0, [[REG]]
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define float @check_float2() {
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ret float 3.14159274101257324218750
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}
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; LARGE-LABEL: check_double2
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; LARGE: movz [[REG:x[0-9]+]], #16393, lsl #48
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; LARGE-NEXT: movk [[REG]], #8699, lsl #32
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; LARGE-NEXT: movk [[REG]], #21572, lsl #16
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; LARGE-NEXT: movk [[REG]], #11544
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; LARGE-NEXT: fmov d0, [[REG]]
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define double @check_double2() {
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ret double 3.1415926535897931159979634685441851615905761718750
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}
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