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4f27bc7736
The patch extends size reduction pass for MicroMIPS. Two MOVE instructions are transformed into one MOVEP instrucition. Patch by Milena Vujosevic Janicic. Differential revision: https://reviews.llvm.org/D52037 llvm-svn: 342572
30 lines
847 B
LLVM
30 lines
847 B
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=mipsel-unknown-linux-gnu -mattr=+micromips -mcpu=mips32r2 \
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; RUN: -verify-machineinstrs < %s | FileCheck %s
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; Function Attrs: nounwind
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define i64 @move() {
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; CHECK-LABEL: move:
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; CHECK: # %bb.0: # %entry
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; CHECK-NEXT: addiusp -24
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; CHECK-NEXT: .cfi_def_cfa_offset 24
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; CHECK-NEXT: sw $ra, 20($sp) # 4-byte Folded Spill
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; CHECK-NEXT: .cfi_offset 31, -4
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; CHECK-NEXT: jal g
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; CHECK-NEXT: nop
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; CHECK-NEXT: movep $4, $5, $2, $3
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; CHECK-NEXT: jal f
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; CHECK-NEXT: nop
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; CHECK-NEXT: lw $ra, 20($sp) # 4-byte Folded Reload
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; CHECK-NEXT: addiusp 24
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; CHECK-NEXT: jrc $ra
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entry:
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%call = call i64 @g()
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%call1 = call i64 @f(i64 signext %call)
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ret i64 %call1
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}
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declare i64 @f(i64 signext %a)
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declare i64 @g()
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