36 lines
1.3 KiB
LLVM
36 lines
1.3 KiB
LLVM
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt < %s -S -passes=loop-unroll | FileCheck %s
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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define x86_mmx @f() #0 {
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; CHECK-LABEL: define x86_mmx @f
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; CHECK-SAME: () #[[ATTR0:[0-9]+]] {
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: [[PHI:%.*]] = phi i32 [ 1, [[ENTRY:%.*]] ], [ [[ADD_7:%.*]], [[FOR_BODY]] ]
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; CHECK-NEXT: [[ADD_6:%.*]] = add i32 [[PHI]], 7
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; CHECK-NEXT: [[ADD_7]] = add i32 [[PHI]], 8
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; CHECK-NEXT: [[CMP_7:%.*]] = icmp eq i32 [[ADD_6]], 0
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; CHECK-NEXT: br i1 [[CMP_7]], label [[EXIT:%.*]], label [[FOR_BODY]]
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; CHECK: exit:
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; CHECK-NEXT: [[RET:%.*]] = phi x86_mmx [ undef, [[FOR_BODY]] ]
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; CHECK-NEXT: ret x86_mmx [[RET]]
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;
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entry:
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br label %for.body
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for.body: ; preds = %for.body, %entry
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%phi = phi i32 [ 1, %entry ], [ %add, %for.body ]
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%add = add i32 %phi, 1
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%cmp = icmp eq i32 %phi, 0
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br i1 %cmp, label %exit, label %for.body
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exit: ; preds = %for.body
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%ret = phi x86_mmx [ undef, %for.body ]
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ret x86_mmx %ret
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}
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attributes #0 = { "target-cpu"="x86-64" }
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