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TheRock/compiler/amd-llvm/llvm/test/Transforms/IROutliner/region-end-of-module.ll
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113 lines
2.6 KiB
LLVM

; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --include-generated-funcs
; RUN: opt -S -passes=verify,iroutliner -ir-outlining-no-cost < %s | FileCheck %s
; This test checks that we do not fail when there is a similarity group with
; an ending instruction that is also the end of the module.
@a = global ptr null
define void @foo() {
entry:
br label %for.cond1
for.cond1:
br label %for.body
for.body:
%inc = add nsw i32 2, 1
br label %for.cond1
for.end:
%inc3 = add nsw i32 2, 1
br label %for.cond1
}
; These are for testing if return instructions or unreachable instructions are
; matched for similarity.
define void @foo1() {
entry:
br label %for.cond1
for.cond1:
br label %for.body
for.body:
%inc = add nsw i32 2, 1
ret void
for.end:
%inc3 = add nsw i32 2, 1
ret void
}
define void @foo2() {
entry:
br label %for.cond1
for.cond1:
br label %for.body
for.body:
%inc = add nsw i32 2, 1
unreachable
for.end:
%inc3 = add nsw i32 2, 1
unreachable
}
; CHECK-LABEL: @foo(
; CHECK-NEXT: entry:
; CHECK-NEXT: br label [[FOR_COND1:%.*]]
; CHECK: for.cond1:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: call void @outlined_ir_func_1()
; CHECK-NEXT: br label [[FOR_COND1]]
; CHECK: for.end:
; CHECK-NEXT: call void @outlined_ir_func_1()
; CHECK-NEXT: br label [[FOR_COND1]]
;
;
; CHECK-LABEL: @foo1(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @outlined_ir_func_0()
; CHECK-NEXT: ret void
; CHECK: for.end:
; CHECK-NEXT: [[INC3:%.*]] = add nsw i32 2, 1
; CHECK-NEXT: ret void
;
;
; CHECK-LABEL: @foo2(
; CHECK-NEXT: entry:
; CHECK-NEXT: call void @outlined_ir_func_0()
; CHECK-NEXT: unreachable
; CHECK: for.end:
; CHECK-NEXT: [[INC3:%.*]] = add nsw i32 2, 1
; CHECK-NEXT: unreachable
;
;
; CHECK: define internal void @outlined_ir_func_0(
; CHECK-NEXT: newFuncRoot:
; CHECK-NEXT: br label [[ENTRY_TO_OUTLINE:%.*]]
; CHECK: entry_to_outline:
; CHECK-NEXT: br label [[FOR_COND1:%.*]]
; CHECK: for.cond1:
; CHECK-NEXT: br label [[FOR_BODY:%.*]]
; CHECK: for.body:
; CHECK-NEXT: [[INC:%.*]] = add nsw i32 2, 1
; CHECK-NEXT: br label [[ENTRY_AFTER_OUTLINE_EXITSTUB:%.*]]
; CHECK: entry_after_outline.exitStub:
; CHECK-NEXT: ret void
;
;
; CHECK: define internal void @outlined_ir_func_1(
; CHECK-NEXT: newFuncRoot:
; CHECK-NEXT: br label [[FOR_BODY_TO_OUTLINE:%.*]]
; CHECK: for.body_to_outline:
; CHECK-NEXT: [[INC:%.*]] = add nsw i32 2, 1
; CHECK-NEXT: br label [[FOR_COND1_EXITSTUB:%.*]]
; CHECK: for.cond1.exitStub:
; CHECK-NEXT: ret void
;