29 lines
1 KiB
LLVM
29 lines
1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=indvars -S | FileCheck %s
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declare void @foo(i64 noundef)
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; Function Attrs: mustprogress noreturn uwtable
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define void @pr59633(ptr noundef %ptr) {
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; CHECK-LABEL: @pr59633(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[PTR1:%.*]] = ptrtoint ptr [[PTR:%.*]] to i64
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; CHECK-NEXT: [[TMP0:%.*]] = trunc i64 [[PTR1]] to i4
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; CHECK-NEXT: [[TMP1:%.*]] = zext i4 [[TMP0]] to i64
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; CHECK-NEXT: br label [[WHILE_BODY:%.*]]
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; CHECK: while.body:
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; CHECK-NEXT: tail call void @foo(i64 noundef [[TMP1]])
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; CHECK-NEXT: br label [[WHILE_BODY]]
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;
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entry:
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br label %while.body
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while.body: ; preds = %entry, %while.body
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%ptr.addr.0 = phi ptr [ %ptr, %entry ], [ %add.ptr, %while.body ]
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%0 = ptrtoint ptr %ptr.addr.0 to i64
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%and = and i64 %0, 15 ; loop invariant
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tail call void @foo(i64 noundef %and)
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%add.ptr = getelementptr inbounds i8, ptr %ptr.addr.0, i64 16
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br label %while.body
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}
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