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a2eb0c1564
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
67 lines
2.7 KiB
LLVM
67 lines
2.7 KiB
LLVM
; RUN: llc %s -o - -mtriple=aarch64-unknown -mattr=-fuse-literals | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKDONT
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mattr=+fuse-literals | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=cortex-a57 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=cortex-a65 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=cortex-a72 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m3 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m4 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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; RUN: llc %s -o - -mtriple=aarch64-unknown -mcpu=exynos-m5 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE
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@g = common local_unnamed_addr global i8* null, align 8
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define dso_local i8* @litp(i32 %a, i32 %b) {
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entry:
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%add = add nsw i32 %b, %a
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%idx.ext = sext i32 %add to i64
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%add.ptr = getelementptr i8, i8* bitcast (i8* (i32, i32)* @litp to i8*), i64 %idx.ext
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store i8* %add.ptr, i8** @g, align 8
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ret i8* %add.ptr
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; CHECK-LABEL: litp:
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; CHECK: adrp [[R:x[0-9]+]], litp
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; CHECKDONT-NEXT: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
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; CHECKFUSE-NEXT: add {{x[0-9]+}}, [[R]], :lo12:litp
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}
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define dso_local i32 @liti(i32 %a, i32 %b) {
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entry:
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%add = add i32 %a, -262095121
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%add1 = add i32 %add, %b
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ret i32 %add1
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; CHECK-LABEL: liti:
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; CHECK: mov [[R:w[0-9]+]], {{#[0-9]+}}
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; CHECKDONT-NEXT: add {{w[0-9]+}}, {{w[0-9]+}}, {{w[0-9]+}}
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; CHECKFUSE-NEXT: movk [[R]], {{#[0-9]+}}, lsl #16
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}
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; Function Attrs: norecurse nounwind readnone
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define dso_local i64 @litl(i64 %a, i64 %b) {
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entry:
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%add = add i64 %a, 2208998440489107183
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%add1 = add i64 %add, %b
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ret i64 %add1
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; CHECK-LABEL: litl:
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; CHECK: mov [[R:x[0-9]+]], {{#[0-9]+}}
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; CHECK-NEXT: movk [[R]], {{#[0-9]+}}, lsl #16
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; CHECK: movk [[R]], {{#[0-9]+}}, lsl #32
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; CHECKDONT-NEXT: add {{x[0-9]+}}, {{x[0-9]+}}, {{x[0-9]+}}
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; CHECKFUSE-NEXT: movk [[R]], {{#[0-9]+}}, lsl #48
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}
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; Function Attrs: norecurse nounwind readnone
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define dso_local double @litf() {
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entry:
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ret double 0x400921FB54442D18
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; CHECK-LABEL: litf:
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; CHECK-DONT: adrp [[ADDR:x[0-9]+]], [[CSTLABEL:.LCP.*]]
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; CHECK-DONT-NEXT: ldr {{d[0-9]+}}, {{[[]}}[[ADDR]], :lo12:[[CSTLABEL]]{{[]]}}
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; CHECK-FUSE: mov [[R:x[0-9]+]], #11544
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; CHECK-FUSE: movk [[R]], #21572, lsl #16
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; CHECK-FUSE: movk [[R]], #8699, lsl #32
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; CHECK-FUSE: movk [[R]], #16393, lsl #48
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; CHECK-FUSE: fmov {{d[0-9]+}}, [[R]]
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}
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