forked from OSchip/llvm-project
45 lines
1.1 KiB
LLVM
45 lines
1.1 KiB
LLVM
; RUN: opt < %s -indvars -S | FileCheck %s
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; Provide legal integer types.
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target datalayout = "n8:16:32:64"
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target triple = "x86_64-apple-darwin"
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; CHECK-LABEL: @sloop
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; CHECK-LABEL: B18:
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; Only one phi now.
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; CHECK: phi
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; CHECK-NOT: phi
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; One trunc for the gep.
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; CHECK: trunc i64 %indvars.iv to i32
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; One trunc for the dummy() call.
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; CHECK-LABEL: exit24:
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; CHECK: trunc i64 {{.*}}lcssa.wide to i32
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define void @sloop(i32* %a) {
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Prologue:
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br i1 undef, label %B18, label %B6
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B18: ; preds = %B24, %Prologue
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%.02 = phi i32 [ 0, %Prologue ], [ %tmp33, %B24 ]
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%tmp23 = zext i32 %.02 to i64
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%tmp33 = add i32 %.02, 1
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%o = getelementptr i32, i32* %a, i32 %.02
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%v = load i32, i32* %o
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%t = icmp eq i32 %v, 0
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br i1 %t, label %exit24, label %B24
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B24: ; preds = %B18
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%t2 = icmp eq i32 %tmp33, 20
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br i1 %t2, label %B6, label %B18
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B6: ; preds = %Prologue
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ret void
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exit24: ; preds = %B18
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call void @dummy(i32 %.02)
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unreachable
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}
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declare void @dummy(i32)
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