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TheRock/compiler/amd-llvm/llvm/test/CodeGen/AArch64/sink-and-fold-unique-operand.mir
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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

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# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py UTC_ARGS: --version 6
# RUN: llc %s -passes="machine-sink<enable-sink-fold>" -o - | FileCheck %s
--- |
; ModuleID = 'x.ll'
source_filename = "x.ll"
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128-Fn32"
target triple = "aarch64-unknown-linux-gnu"
define void @f(i32 %c) {
entry:
%promoted1 = sext i32 %c to i64
%sub = add nsw i64 %promoted1, -2
%promoted = sext i32 %c to i64
%add = add nsw i64 %promoted, 2
%add.i = add nsw i64 %add, %sub
%0 = inttoptr i64 %add.i to ptr
store i16 0, ptr %0, align 2
ret void
}
...
---
name: f
registers:
- { id: 0, class: gpr32, preferred-register: '', flags: [ ] }
- { id: 1, class: gpr64, preferred-register: '', flags: [ ] }
- { id: 2, class: gpr64all, preferred-register: '', flags: [ ] }
- { id: 3, class: gpr64common, preferred-register: '', flags: [ ] }
- { id: 4, class: gpr32, preferred-register: '', flags: [ ] }
liveins:
- { reg: '$w0', virtual-reg: '%0' }
body: |
bb.0.entry:
liveins: $w0
; CHECK-LABEL: name: f
; CHECK: liveins: $w0
; CHECK-NEXT: {{ $}}
; CHECK-NEXT: [[COPY:%[0-9]+]]:gpr32 = COPY $w0
; CHECK-NEXT: [[DEF:%[0-9]+]]:gpr64all = IMPLICIT_DEF
; CHECK-NEXT: [[INSERT_SUBREG:%[0-9]+]]:gpr64 = INSERT_SUBREG [[DEF]], [[COPY]], %subreg.sub_32
; CHECK-NEXT: [[SBFMXri:%[0-9]+]]:gpr64common = SBFMXri killed [[INSERT_SUBREG]], 0, 31
; CHECK-NEXT: [[COPY1:%[0-9]+]]:gpr32 = COPY $wzr
; CHECK-NEXT: STRHHroX [[COPY1]], [[SBFMXri]], [[SBFMXri]], 0, 0 :: (store (s16) into %ir.0)
; CHECK-NEXT: RET_ReallyLR
%0:gpr32 = COPY $w0
%2:gpr64all = IMPLICIT_DEF
%1:gpr64 = INSERT_SUBREG %2, %0, %subreg.sub_32
%3:gpr64common = SBFMXri killed %1, 0, 31
%4:gpr32 = COPY $wzr
STRHHroX %4, %3, %3, 0, 0 :: (store (s16) into %ir.0)
RET_ReallyLR
...