132 lines
3.6 KiB
LLVM
132 lines
3.6 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 2
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; RUN: opt -S -passes=inline %s | FileCheck %s
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; RUN: opt -S -passes='cgscc(inline)' %s | FileCheck %s
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; RUN: opt -S -passes='module-inline' %s | FileCheck %s
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declare void @foo()
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declare void @bar()
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define void @callee(ptr %arg) {
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; CHECK-LABEL: define void @callee
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; CHECK-SAME: (ptr [[ARG:%.*]]) {
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq ptr [[ARG]], null
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; CHECK-NEXT: br i1 [[CMP]], label [[EXPENSIVE:%.*]], label [[DONE:%.*]]
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; CHECK: expensive:
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: ret void
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; CHECK: done:
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; CHECK-NEXT: call void @bar()
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; CHECK-NEXT: ret void
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;
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%cmp = icmp eq ptr %arg, null
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br i1 %cmp, label %expensive, label %done
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; This block is designed to be too expensive to inline. We can only inline
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; callee if this block is known to be dead.
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expensive:
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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call void @foo()
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ret void
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done:
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call void @bar()
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ret void
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}
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; Positive test - arg is known non null
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define void @caller(ptr nonnull %arg) {
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; CHECK-LABEL: define void @caller
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; CHECK-SAME: (ptr nonnull [[ARG:%.*]]) {
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; CHECK-NEXT: call void @bar()
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; CHECK-NEXT: ret void
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;
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call void @callee(ptr nonnull %arg)
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ret void
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}
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; Negative test - arg is not known to be non null
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define void @caller2(ptr %arg) {
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; CHECK-LABEL: define void @caller2
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; CHECK-SAME: (ptr [[ARG:%.*]]) {
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; CHECK-NEXT: call void @callee(ptr [[ARG]])
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; CHECK-NEXT: ret void
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;
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call void @callee(ptr %arg)
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ret void
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}
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define void @caller3(ptr %arg) {
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; CHECK-LABEL: define void @caller3
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; CHECK-SAME: (ptr [[ARG:%.*]]) {
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; CHECK-NEXT: [[CMP_I:%.*]] = icmp eq ptr [[ARG]], null
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; CHECK-NEXT: br i1 [[CMP_I]], label [[EXPENSIVE_I:%.*]], label [[DONE_I:%.*]]
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; CHECK: expensive.i:
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: call void @foo()
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; CHECK-NEXT: br label [[CALLEE_EXIT:%.*]]
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; CHECK: done.i:
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; CHECK-NEXT: call void @bar()
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; CHECK-NEXT: br label [[CALLEE_EXIT]]
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; CHECK: callee.exit:
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; CHECK-NEXT: ret void
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;
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call void @callee(ptr nonnull %arg)
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ret void
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}
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define void @caller4(ptr dereferenceable(8) %arg) {
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; CHECK-LABEL: define void @caller4
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; CHECK-SAME: (ptr dereferenceable(8) [[ARG:%.*]]) {
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; CHECK-NEXT: call void @callee(ptr dereferenceable(8) [[ARG]])
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; CHECK-NEXT: ret void
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;
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call void @callee(ptr dereferenceable(8) %arg)
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ret void
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}
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define void @caller5(ptr dereferenceable(8) %arg) {
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; CHECK-LABEL: define void @caller5
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; CHECK-SAME: (ptr dereferenceable(8) [[ARG:%.*]]) {
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; CHECK-NEXT: call void @callee(ptr [[ARG]])
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; CHECK-NEXT: ret void
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;
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call void @callee(ptr %arg)
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ret void
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}
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define void @caller6(ptr %arg) {
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; CHECK-LABEL: define void @caller6
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; CHECK-SAME: (ptr [[ARG:%.*]]) {
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; CHECK-NEXT: call void @callee(ptr dereferenceable(8) [[ARG]])
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; CHECK-NEXT: ret void
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;
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call void @callee(ptr dereferenceable(8) %arg)
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ret void
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}
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