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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt -opaque-pointers=0 < %s -passes='default<O2>' -S | FileCheck %s
target datalayout = "E-p:32:32"
define i8* @f(i8* %buffer, i32 %n, i8** swifterror %errorslot) {
; CHECK-LABEL: @f(
; CHECK-NEXT: coro.return:
; CHECK-NEXT: [[N_VAL_SPILL_ADDR:%.*]] = bitcast i8* [[BUFFER:%.*]] to i32*
; CHECK-NEXT: store i32 [[N:%.*]], i32* [[N_VAL_SPILL_ADDR]], align 4
; CHECK-NEXT: tail call void @print(i32 [[N]])
; CHECK-NEXT: store i8* null, i8** [[ERRORSLOT:%.*]], align 4
; CHECK-NEXT: tail call void @maybeThrow(i8** nonnull swifterror [[ERRORSLOT]])
; CHECK-NEXT: [[TMP0:%.*]] = load i8*, i8** [[ERRORSLOT]], align 4
; CHECK-NEXT: tail call void @logError(i8* [[TMP0]])
; CHECK-NEXT: store i8* [[TMP0]], i8** [[ERRORSLOT]], align 4
; CHECK-NEXT: ret i8* bitcast (i8* (i8*, i1, i8**)* @f.resume.0 to i8*)
;
entry:
%id = call token @llvm.coro.id.retcon(i32 8, i32 4, i8* %buffer, i8* bitcast (i8* (i8*, i1, i8**)* @f_prototype to i8*), i8* bitcast (i8* (i32)* @allocate to i8*), i8* bitcast (void (i8*)* @deallocate to i8*))
%hdl = call i8* @llvm.coro.begin(token %id, i8* null)
br label %loop
loop:
%n.val = phi i32 [ %n, %entry ], [ %inc, %resume ]
call void @print(i32 %n.val)
call void @maybeThrow(i8** swifterror %errorslot)
%errorload1 = load i8*, i8** %errorslot
call void @logError(i8* %errorload1)
%suspend_result = call { i1, i8** } (...) @llvm.coro.suspend.retcon.i1p0p0i8()
%unwind0 = extractvalue { i1, i8** } %suspend_result, 0
br i1 %unwind0, label %cleanup, label %resume
resume:
%inc = add i32 %n.val, 1
br label %loop
cleanup:
call i1 @llvm.coro.end(i8* %hdl, i1 0)
unreachable
}
; TODO: figure out a way to eliminate this
define i8* @g(i8* %buffer, i32 %n) {
; CHECK-LABEL: @g(
; CHECK-NEXT: coro.return:
; CHECK-NEXT: [[TMP0:%.*]] = alloca swifterror i8*, align 4
; CHECK-NEXT: [[N_VAL_SPILL_ADDR:%.*]] = bitcast i8* [[BUFFER:%.*]] to i32*
; CHECK-NEXT: store i32 [[N:%.*]], i32* [[N_VAL_SPILL_ADDR]], align 4
; CHECK-NEXT: tail call void @print(i32 [[N]])
; CHECK-NEXT: store i8* null, i8** [[TMP0]], align 4
; CHECK-NEXT: call void @maybeThrow(i8** nonnull swifterror [[TMP0]])
; CHECK-NEXT: [[TMP1:%.*]] = load i8*, i8** [[TMP0]], align 4
; CHECK-NEXT: [[DOTSPILL_ADDR:%.*]] = getelementptr inbounds i8, i8* [[BUFFER]], i32 4
; CHECK-NEXT: [[TMP2:%.*]] = bitcast i8* [[DOTSPILL_ADDR]] to i8**
; CHECK-NEXT: store i8* [[TMP1]], i8** [[TMP2]], align 4
; CHECK-NEXT: call void @logError(i8* [[TMP1]])
; CHECK-NEXT: ret i8* bitcast (i8* (i8*, i1)* @g.resume.0 to i8*)
;
entry:
%errorslot = alloca swifterror i8*, align 4
store i8* null, i8** %errorslot
%id = call token @llvm.coro.id.retcon(i32 8, i32 4, i8* %buffer, i8* bitcast (i8* (i8*, i1)* @g_prototype to i8*), i8* bitcast (i8* (i32)* @allocate to i8*), i8* bitcast (void (i8*)* @deallocate to i8*))
%hdl = call i8* @llvm.coro.begin(token %id, i8* null)
br label %loop
loop:
%n.val = phi i32 [ %n, %entry ], [ %inc, %resume ]
call void @print(i32 %n.val)
call void @maybeThrow(i8** swifterror %errorslot)
%errorload1 = load i8*, i8** %errorslot
call void @logError(i8* %errorload1)
%unwind0 = call i1 (...) @llvm.coro.suspend.retcon.i1()
br i1 %unwind0, label %cleanup, label %resume
resume:
%inc = add i32 %n.val, 1
br label %loop
cleanup:
call i1 @llvm.coro.end(i8* %hdl, i1 0)
unreachable
}
declare token @llvm.coro.id.retcon(i32, i32, i8*, i8*, i8*, i8*)
declare i8* @llvm.coro.begin(token, i8*)
declare { i1, i8** } @llvm.coro.suspend.retcon.i1p0p0i8(...)
declare i1 @llvm.coro.suspend.retcon.i1(...)
declare i1 @llvm.coro.end(i8*, i1)
declare i8* @llvm.coro.prepare.retcon(i8*)
declare i8* @f_prototype(i8*, i1 zeroext, i8** swifterror)
declare i8* @g_prototype(i8*, i1 zeroext)
declare noalias i8* @allocate(i32 %size)
declare void @deallocate(i8* %ptr)
declare void @print(i32)
declare void @maybeThrow(i8** swifterror)
declare void @logError(i8*)
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