56 lines
1.6 KiB
LLVM
56 lines
1.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mcpu=pwr9 -mtriple=powerpc64le-unknown-unknown \
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; RUN: -ppc-asm-full-reg-names -verify-machineinstrs -O2 < %s | FileCheck %s \
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; RUN: --check-prefix=CHECK-P9
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define i32 @t(i32 %n, i32 %delta, i32 %a) {
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; CHECK-P9-LABEL: t:
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; CHECK-P9: # %bb.0: # %entry
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; CHECK-P9-NEXT: lis r7, 0
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; CHECK-P9-NEXT: li r6, 0
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; CHECK-P9-NEXT: li r9, 0
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; CHECK-P9-NEXT: li r10, 0
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; CHECK-P9-NEXT: ori r7, r7, 65535
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; CHECK-P9-NEXT: .p2align 5
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; CHECK-P9-NEXT: .LBB0_1: # %header
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; CHECK-P9-NEXT: #
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; CHECK-P9-NEXT: addi r10, r10, 1
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; CHECK-P9-NEXT: cmpw r10, r3
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; CHECK-P9-NEXT: addi r8, r5, 1024
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; CHECK-P9-NEXT: blt cr0, .LBB0_4
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; CHECK-P9-NEXT: # %bb.2: # %cont
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; CHECK-P9-NEXT: #
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; CHECK-P9-NEXT: add r9, r9, r4
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; CHECK-P9-NEXT: cmpw r9, r7
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; CHECK-P9-NEXT: bgt cr0, .LBB0_1
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; CHECK-P9-NEXT: # %bb.3: # %cont.1
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; CHECK-P9-NEXT: mr r6, r8
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; CHECK-P9-NEXT: .LBB0_4: # %return
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; CHECK-P9-NEXT: mullw r3, r6, r8
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; CHECK-P9-NEXT: blr
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entry:
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br label %header
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header:
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%sum = phi i32 [ 0, %entry ], [ %sum.1, %cont ]
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%i = phi i32 [ 0, %entry ], [ %i.1, %cont ]
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%i.1 = add nsw i32 %i, 1
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%lt = icmp slt i32 %i.1, %n
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br i1 %lt, label %return, label %cont
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cont:
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%sum.1 = add nsw i32 %sum, %delta
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%lt.1 = icmp slt i32 %sum.1, 65536
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br i1 %lt.1, label %cont.1, label %header
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cont.1:
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%delta.1 = add nsw i32 %a, 1024
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br label %return
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return:
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%delta.2 = phi i32 [ %delta.1, %cont.1 ], [ 0, %header ]
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%delta.3 = add nsw i32 %a, 1024
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%ret = mul i32 %delta.2, %delta.3
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ret i32 %ret
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}
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