59 lines
1.9 KiB
LLVM
59 lines
1.9 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -function-specialization -S < %s | FileCheck %s
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%mystruct = type { i32, [2 x i64] }
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define internal ptr @myfunc(ptr %arg) {
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; CHECK-LABEL: @myfunc(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: br label [[FOR_COND:%.*]]
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; CHECK: for.cond:
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; CHECK-NEXT: br i1 true, label [[FOR_COND2:%.*]], label [[FOR_BODY:%.*]]
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; CHECK: for.body:
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; CHECK-NEXT: call void @callee(ptr nonnull null)
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; CHECK-NEXT: br label [[FOR_COND]]
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; CHECK: for.cond2:
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; CHECK-NEXT: br i1 false, label [[FOR_END:%.*]], label [[FOR_BODY2:%.*]]
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; CHECK: for.body2:
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; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds [[MYSTRUCT:%.*]], ptr null, i64 0, i32 1, i64 3
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; CHECK-NEXT: br label [[FOR_COND2]]
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; CHECK: for.end:
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; CHECK-NEXT: ret ptr [[ARG:%.*]]
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;
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entry:
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br label %for.cond
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for.cond: ; preds = %for.body, %entry
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%phi = phi ptr [ undef, %for.body ], [ null, %entry ]
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%cond = icmp eq ptr %phi, null
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br i1 %cond, label %for.cond2, label %for.body
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for.body: ; preds = %for.cond
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call void @callee(ptr nonnull %phi)
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br label %for.cond
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for.cond2: ; preds = %for.body2, %for.cond
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%phi2 = phi ptr [ undef, %for.body2 ], [ null, %for.cond ]
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br i1 false, label %for.end, label %for.body2
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for.body2: ; preds = %for.cond2
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%arrayidx = getelementptr inbounds %mystruct, ptr %phi2, i64 0, i32 1, i64 3
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br label %for.cond2
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for.end: ; preds = %for.cond2
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ret ptr %arg
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}
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define ptr @caller() {
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; CHECK-LABEL: @caller(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[CALL:%.*]] = call ptr @myfunc(ptr undef)
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; CHECK-NEXT: ret ptr [[CALL]]
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;
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entry:
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%call = call ptr @myfunc(ptr undef)
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ret ptr %call
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}
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declare void @callee(ptr)
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