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llvm-mirror/test/CodeGen/AArch64/misched-fusion-addr.ll
Sjoerd Meijer a2eb0c1564 [AArch64] Add Cortex CPU subtarget features for instruction fusion.
This adds subtarget features for AES, literal, and compare and branch
instruction fusion for different Cortex CPUs.

Patch by: Cassie Jones.

Differential Revision: https://reviews.llvm.org/D94457
2021-01-25 09:11:29 +00:00

118 lines
4.1 KiB
LLVM

; RUN: llc %s -o - -mtriple=aarch64-unknown -mattr=fuse-address | FileCheck %s
; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=cortex-a65 | FileCheck %s
; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m3 | FileCheck %s
; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m4 | FileCheck %s
; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m5 | FileCheck %s
target triple = "aarch64-unknown"
@var_8bit = dso_local global i8 0
@var_16bit = dso_local global i16 0
@var_32bit = dso_local global i32 0
@var_64bit = dso_local global i64 0
@var_128bit = dso_local global i128 0
@var_half = dso_local global half 0.0
@var_float = dso_local global float 0.0
@var_double = dso_local global double 0.0
@var_double2 = dso_local global <2 x double> <double 0.0, double 0.0>
define dso_local void @ldst_8bit() {
%val8 = load volatile i8, i8* @var_8bit
%ext = zext i8 %val8 to i64
%add = add i64 %ext, 1
%val16 = trunc i64 %add to i16
store volatile i16 %val16, i16* @var_16bit
ret void
; CHECK-LABEL: ldst_8bit:
; CHECK: adrp [[RB:x[0-9]+]], var_8bit
; CHECK-NEXT: ldrb {{w[0-9]+}}, {{\[}}[[RB]], {{#?}}:lo12:var_8bit{{\]}}
; CHECK: adrp [[RH:x[0-9]+]], var_16bit
; CHECK-NEXT: strh {{w[0-9]+}}, {{\[}}[[RH]], {{#?}}:lo12:var_16bit{{\]}}
}
define dso_local void @ldst_16bit() {
%val16 = load volatile i16, i16* @var_16bit
%ext = zext i16 %val16 to i64
%add = add i64 %ext, 1
%val32 = trunc i64 %add to i32
store volatile i32 %val32, i32* @var_32bit
ret void
; CHECK-LABEL: ldst_16bit:
; CHECK: adrp [[RH:x[0-9]+]], var_16bit
; CHECK-NEXT: ldrh {{w[0-9]+}}, {{\[}}[[RH]], {{#?}}:lo12:var_16bit{{\]}}
; CHECK: adrp [[RW:x[0-9]+]], var_32bit
; CHECK-NEXT: str {{w[0-9]+}}, {{\[}}[[RW]], {{#?}}:lo12:var_32bit{{\]}}
}
define dso_local void @ldst_32bit() {
%val32 = load volatile i32, i32* @var_32bit
%ext = zext i32 %val32 to i64
%val64 = add i64 %ext, 1
store volatile i64 %val64, i64* @var_64bit
ret void
; CHECK-LABEL: ldst_32bit:
; CHECK: adrp [[RW:x[0-9]+]], var_32bit
; CHECK-NEXT: ldr {{w[0-9]+}}, {{\[}}[[RW]], {{#?}}:lo12:var_32bit{{\]}}
; CHECK: adrp [[RL:x[0-9]+]], var_64bit
; CHECK-NEXT: str {{x[0-9]+}}, {{\[}}[[RL]], {{#?}}:lo12:var_64bit{{\]}}
}
define dso_local void @ldst_64bit() {
%val64 = load volatile i64, i64* @var_64bit
%ext = zext i64 %val64 to i128
%val128 = add i128 %ext, 1
store volatile i128 %val128, i128* @var_128bit
ret void
; CHECK-LABEL: ldst_64bit:
; CHECK: adrp [[RL:x[0-9]+]], var_64bit
; CHECK-NEXT: ldr {{x[0-9]+}}, {{\[}}[[RL]], {{#?}}:lo12:var_64bit{{\]}}
; CHECK: adrp [[RQ:x[0-9]+]], var_128bit
; CHECK-NEXT: add {{x[0-9]+}}, [[RQ]], {{#?}}:lo12:var_128bit
}
define dso_local void @ldst_half() {
%valh = load volatile half, half* @var_half
%valf = fpext half %valh to float
store volatile float %valf, float* @var_float
ret void
; CHECK-LABEL: ldst_half:
; CHECK: adrp [[RH:x[0-9]+]], var_half
; CHECK-NEXT: ldr {{h[0-9]+}}, {{\[}}[[RH]], {{#?}}:lo12:var_half{{\]}}
; CHECK: adrp [[RF:x[0-9]+]], var_float
; CHECK-NEXT: str {{s[0-9]+}}, {{\[}}[[RF]], {{#?}}:lo12:var_float{{\]}}
}
define dso_local void @ldst_float() {
%valf = load volatile float, float* @var_float
%vald = fpext float %valf to double
store volatile double %vald, double* @var_double
ret void
; CHECK-LABEL: ldst_float:
; CHECK: adrp [[RF:x[0-9]+]], var_float
; CHECK-NEXT: ldr {{s[0-9]+}}, {{\[}}[[RF]], {{#?}}:lo12:var_float{{\]}}
; CHECK: adrp [[RD:x[0-9]+]], var_double
; CHECK-NEXT: str {{d[0-9]+}}, {{\[}}[[RD]], {{#?}}:lo12:var_double{{\]}}
}
define dso_local void @ldst_double() {
%valf = load volatile float, float* @var_float
%vale = fpext float %valf to double
%vald = load volatile double, double* @var_double
%vald1 = insertelement <2 x double> undef, double %vald, i32 0
%vald2 = insertelement <2 x double> %vald1, double %vale, i32 1
store volatile <2 x double> %vald2, <2 x double>* @var_double2
ret void
; CHECK-LABEL: ldst_double:
; CHECK: adrp [[RD:x[0-9]+]], var_double
; CHECK-NEXT: ldr {{d[0-9]+}}, {{\[}}[[RD]], {{#?}}:lo12:var_double{{\]}}
; CHECK: adrp [[RQ:x[0-9]+]], var_double2
; CHECK-NEXT: str {{q[0-9]+}}, {{\[}}[[RQ]], {{#?}}:lo12:var_double2{{\]}}
}