forked from OSchip/llvm-project
42 lines
1.8 KiB
LLVM
42 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -indvars -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.9.0"
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@data = common global [240 x i8] zeroinitializer, align 16
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define void @foo(i8* %a) #0 {
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; CHECK-LABEL: @foo(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[LOOP:%.*]]
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; CHECK: loop:
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; CHECK-NEXT: [[P_0:%.*]] = phi i8* [ getelementptr inbounds ([240 x i8], [240 x i8]* @data, i64 0, i64 0), [[ENTRY:%.*]] ], [ [[TMP3:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[DOT0:%.*]] = phi i8* [ [[A:%.*]], [[ENTRY]] ], [ [[TMP:%.*]], [[LOOP]] ]
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; CHECK-NEXT: [[TMP]] = getelementptr inbounds i8, i8* [[DOT0]], i64 1
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; CHECK-NEXT: [[TMP2:%.*]] = load i8, i8* [[DOT0]], align 1
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; CHECK-NEXT: [[TMP3]] = getelementptr inbounds i8, i8* [[P_0]], i64 1
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; CHECK-NEXT: store i8 [[TMP2]], i8* [[P_0]], align 1
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; CHECK-NEXT: [[EXITCOND:%.*]] = icmp ne i8* [[TMP3]], getelementptr (i8, i8* getelementptr inbounds ([240 x i8], [240 x i8]* @data, i64 0, i64 0), i64 240)
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; CHECK-NEXT: br i1 [[EXITCOND]], label [[LOOP]], label [[EXIT:%.*]]
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; CHECK: exit:
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; CHECK-NEXT: ret void
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;
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entry:
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br label %loop
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loop:
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%i.0 = phi i8 [ 0, %entry ], [ %tmp4, %loop ]
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%p.0 = phi i8* [ getelementptr inbounds ([240 x i8], [240 x i8]* @data, i64 0, i64 0), %entry ], [ %tmp3, %loop ]
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%.0 = phi i8* [ %a, %entry ], [ %tmp, %loop ]
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%tmp = getelementptr inbounds i8, i8* %.0, i64 1
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%tmp2 = load i8, i8* %.0, align 1
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%tmp3 = getelementptr inbounds i8, i8* %p.0, i64 1
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store i8 %tmp2, i8* %p.0, align 1
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%tmp4 = add i8 %i.0, 1
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%tmp5 = icmp ult i8 %tmp4, -16
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br i1 %tmp5, label %loop, label %exit
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exit:
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ret void
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}
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