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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/fpimm.ll
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derek.holloway 7502bf64a4
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Flatten subprojects into a single base monorepo
2026-09-02 16:34:47 -07:00

67 lines
2.2 KiB
LLVM

; RUN: llc -mtriple=aarch64-linux-gnu -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=aarch64-apple-darwin -code-model=large -verify-machineinstrs < %s | FileCheck %s --check-prefixes=LARGE
; RUN: llc -mtriple=aarch64 -code-model=tiny -verify-machineinstrs < %s | FileCheck %s
; RUN: llc -mtriple=aarch64-linux-gnu -global-isel -verify-machineinstrs < %s | FileCheck %s --check-prefixes=GI
@varf32 = global float 0.0
@varf64 = global double 0.0
define void @check_float() {
; CHECK-LABEL: check_float:
%val = load float, ptr @varf32
%newval1 = fadd float %val, 8.5
store volatile float %newval1, ptr @varf32
; CHECK-DAG: fmov {{s[0-9]+}}, #8.5
%newval2 = fadd float %val, 128.0
; CHECK-DAG: movi [[REG:v[0-9s]+]].2s, #67, lsl #24
; GI-DAG: fmov [[REG:s[0-9s]+]], #8.5
store volatile float %newval2, ptr @varf32
; CHECK: ret
ret void
}
define void @check_double() {
; CHECK-LABEL: check_double:
%val = load double, ptr @varf64
%newval1 = fadd double %val, 8.5
store volatile double %newval1, ptr @varf64
; CHECK-DAG: fmov {{d[0-9]+}}, #8.5
%newval2 = fadd double %val, 128.0
store volatile double %newval2, ptr @varf64
; CHECK-DAG: mov [[X128:x[0-9]+]], #4638707616191610880
; CHECK-DAG: fmov {{d[0-9]+}}, [[X128]]
; 64-bit ORR followed by MOVK.
; CHECK-DAG: mov [[XFP0:x[0-9]+]], #1082331758844
; CHECK-DAG: movk [[XFP0]], #64764, lsl #16
; CHECK-DAG: fmov {{d[0-9]+}}, [[XFP0]]
%newval3 = fadd double %val, 0xFCFCFC00FC
store volatile double %newval3, ptr @varf64
; CHECK: ret
ret void
}
; CHECK-LABEL: check_float2
; CHECK: mov [[REG:w[0-9]+]], #4059
; CHECK-NEXT: movk [[REG]], #16457, lsl #16
; CHECK-NEXT: fmov {{s[0-9]+}}, [[REG]]
define float @check_float2() {
ret float 3.14159274101257324218750
}
; LARGE-LABEL: check_double2
; LARGE: mov [[REG:x[0-9]+]], #11544
; LARGE-NEXT: movk [[REG]], #21572, lsl #16
; LARGE-NEXT: movk [[REG]], #8699, lsl #32
; LARGE-NEXT: movk [[REG]], #16393, lsl #48
; LARGE-NEXT: fmov {{d[0-9]+}}, [[REG]]
define double @check_double2() {
ret double 3.1415926535897931159979634685441851615905761718750
}