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92 lines
2.7 KiB
LLVM
92 lines
2.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -O0 -mtriple=mipsel-unknown-linux-gnu -mcpu=mips32r2 -target-abi=o32 < %s -filetype=asm -o - \
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; RUN: | FileCheck -check-prefixes=O32 %s
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; RUN: llc -O0 -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n32 < %s -filetype=asm -o - \
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; RUN: | FileCheck -check-prefixes=N32 %s
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; RUN: llc -O0 -mtriple=mips64el-unknown-linux-gnu -mcpu=mips64r2 -target-abi=n64 < %s -filetype=asm -o - \
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; RUN: | FileCheck -check-prefixes=N64 %s
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@sym = external global i32 *
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define void @foo(i32 %new, i32 %old) {
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; O32-LABEL: foo:
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; O32: # %bb.0: # %entry
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; O32-NEXT: lui $1, %hi(sym)
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; O32-NEXT: lw $3, %lo(sym)($1)
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; O32-NEXT: sync
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; O32-NEXT: $BB0_1: # %entry
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; O32-NEXT: # =>This Inner Loop Header: Depth=1
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; O32-NEXT: ll $1, 0($3)
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; O32-NEXT: bne $1, $4, $BB0_3
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; O32-NEXT: nop
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; O32-NEXT: # %bb.2: # %entry
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; O32-NEXT: # in Loop: Header=BB0_1 Depth=1
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; O32-NEXT: move $2, $5
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; O32-NEXT: sc $2, 0($3)
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; O32-NEXT: beqz $2, $BB0_1
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; O32-NEXT: nop
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; O32-NEXT: $BB0_3: # %entry
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; O32-NEXT: sync
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; O32-NEXT: jr $ra
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; O32-NEXT: nop
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;
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; N32-LABEL: foo:
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; N32: # %bb.0: # %entry
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; N32-NEXT: move $1, $5
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; N32-NEXT: sll $5, $1, 0
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; N32-NEXT: move $1, $4
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; N32-NEXT: sll $4, $1, 0
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; N32-NEXT: lui $1, %hi(sym)
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; N32-NEXT: lw $3, %lo(sym)($1)
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; N32-NEXT: sync
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; N32-NEXT: .LBB0_1: # %entry
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; N32-NEXT: # =>This Inner Loop Header: Depth=1
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; N32-NEXT: ll $1, 0($3)
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; N32-NEXT: bne $1, $4, .LBB0_3
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; N32-NEXT: nop
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; N32-NEXT: # %bb.2: # %entry
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; N32-NEXT: # in Loop: Header=BB0_1 Depth=1
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; N32-NEXT: move $2, $5
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; N32-NEXT: sc $2, 0($3)
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; N32-NEXT: beqz $2, .LBB0_1
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; N32-NEXT: nop
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; N32-NEXT: .LBB0_3: # %entry
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; N32-NEXT: sync
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; N32-NEXT: jr $ra
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; N32-NEXT: nop
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;
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; N64-LABEL: foo:
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; N64: # %bb.0: # %entry
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; N64-NEXT: move $1, $5
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; N64-NEXT: sll $5, $1, 0
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; N64-NEXT: move $1, $4
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; N64-NEXT: sll $4, $1, 0
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; N64-NEXT: lui $1, %highest(sym)
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; N64-NEXT: daddiu $1, $1, %higher(sym)
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; N64-NEXT: dsll $1, $1, 16
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; N64-NEXT: daddiu $1, $1, %hi(sym)
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; N64-NEXT: dsll $1, $1, 16
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; N64-NEXT: ld $3, %lo(sym)($1)
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; N64-NEXT: sync
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; N64-NEXT: .LBB0_1: # %entry
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; N64-NEXT: # =>This Inner Loop Header: Depth=1
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; N64-NEXT: ll $1, 0($3)
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; N64-NEXT: bne $1, $4, .LBB0_3
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; N64-NEXT: nop
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; N64-NEXT: # %bb.2: # %entry
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; N64-NEXT: # in Loop: Header=BB0_1 Depth=1
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; N64-NEXT: move $2, $5
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; N64-NEXT: sc $2, 0($3)
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; N64-NEXT: beqz $2, .LBB0_1
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; N64-NEXT: nop
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; N64-NEXT: .LBB0_3: # %entry
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; N64-NEXT: sync
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; N64-NEXT: jr $ra
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; N64-NEXT: nop
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entry:
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%0 = load i32 *, i32 ** @sym
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cmpxchg i32 * %0, i32 %new, i32 %old seq_cst seq_cst
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ret void
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}
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