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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -passes='default<O2>' -S | FileCheck %s
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.12.0"
define {ptr, i32} @f(ptr %buffer, ptr %array) {
; CHECK-LABEL: @f(
; CHECK-NEXT: PostSpill:
; CHECK-NEXT: store ptr [[ARRAY:%.*]], ptr [[BUFFER:%.*]], align 8
; CHECK-NEXT: [[LOAD:%.*]] = load i32, ptr [[ARRAY]], align 4
; CHECK-NEXT: [[LOAD_POS:%.*]] = icmp sgt i32 [[LOAD]], 0
; CHECK-NEXT: [[SPEC_SELECT:%.*]] = select i1 [[LOAD_POS]], ptr @f.resume.0, ptr @f.resume.1
; CHECK-NEXT: [[SPEC_SELECT4:%.*]] = tail call i32 @llvm.smax.i32(i32 [[LOAD]], i32 0)
; CHECK-NEXT: [[TMP0:%.*]] = insertvalue { ptr, i32 } undef, ptr [[SPEC_SELECT]], 0
; CHECK-NEXT: [[TMP1:%.*]] = insertvalue { ptr, i32 } [[TMP0]], i32 [[SPEC_SELECT4]], 1
; CHECK-NEXT: ret { ptr, i32 } [[TMP1]]
;
entry:
%id = call token @llvm.coro.id.retcon.once(i32 8, i32 8, ptr %buffer, ptr @prototype, ptr @allocate, ptr @deallocate)
%hdl = call ptr @llvm.coro.begin(token %id, ptr null)
%load = load i32, ptr %array
%load.pos = icmp sgt i32 %load, 0
br i1 %load.pos, label %pos, label %neg
pos:
%unwind0 = call i1 (...) @llvm.coro.suspend.retcon.i1(i32 %load)
br i1 %unwind0, label %cleanup, label %pos.cont
pos.cont:
store i32 0, ptr %array, align 4
br label %cleanup
neg:
%unwind1 = call i1 (...) @llvm.coro.suspend.retcon.i1(i32 0)
br i1 %unwind1, label %cleanup, label %neg.cont
neg.cont:
store i32 10, ptr %array, align 4
br label %cleanup
cleanup:
call i1 @llvm.coro.end(ptr %hdl, i1 0)
unreachable
}
define void @test(ptr %array) {
; CHECK-LABEL: @test(
; CHECK-NEXT: entry:
; CHECK-NEXT: [[TMP0:%.*]] = alloca [8 x i8], align 8
; CHECK-NEXT: store ptr [[ARRAY:%.*]], ptr [[TMP0]], align 8
; CHECK-NEXT: [[LOAD_I:%.*]] = load i32, ptr [[ARRAY]], align 4
; CHECK-NEXT: [[LOAD_POS_I:%.*]] = icmp sgt i32 [[LOAD_I]], 0
; CHECK-NEXT: [[SPEC_SELECT_I:%.*]] = select i1 [[LOAD_POS_I]], ptr @f.resume.0, ptr @f.resume.1
; CHECK-NEXT: [[SPEC_SELECT4_I:%.*]] = tail call i32 @llvm.smax.i32(i32 [[LOAD_I]], i32 0)
; CHECK-NEXT: tail call void @print(i32 [[SPEC_SELECT4_I]])
; CHECK-NEXT: call void [[SPEC_SELECT_I]](ptr nonnull [[TMP0]], i1 zeroext false)
; CHECK-NEXT: ret void
;
entry:
%0 = alloca [8 x i8], align 8
%prepare = call ptr @llvm.coro.prepare.retcon(ptr @f)
%result = call {ptr, i32} %prepare(ptr %0, ptr %array)
%value = extractvalue {ptr, i32} %result, 1
call void @print(i32 %value)
%cont = extractvalue {ptr, i32} %result, 0
call void %cont(ptr %0, i1 zeroext 0)
ret void
}
; Unfortunately, we don't seem to fully optimize this right now due
; to some sort of phase-ordering thing.
declare token @llvm.coro.id.retcon.once(i32, i32, ptr, ptr, ptr, ptr)
declare ptr @llvm.coro.begin(token, ptr)
declare i1 @llvm.coro.suspend.retcon.i1(...)
declare i1 @llvm.coro.end(ptr, i1)
declare ptr @llvm.coro.prepare.retcon(ptr)
declare void @prototype(ptr, i1 zeroext)
declare noalias ptr @allocate(i32 %size)
declare void @deallocate(ptr %ptr)
declare void @print(i32)
|
