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