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19c8a66443
The backend has been around for years, it's pretty ridiculous that we can't even use the preferred form for printing "MOV" aliases. Unfortunately, TableGen can't handle the complex predicates when printing so it's a bunch of nasty C++. Oh well. llvm-svn: 272865
57 lines
1.8 KiB
LLVM
57 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: mov [[REG:w[0-9]+]], #1078525952
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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: mov [[REG:x[0-9]+]], #4614219293217783808
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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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