deoptimize-intrinsic.ll
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; RUN: opt -S -always-inline < %s | FileCheck %s
declare i8 @llvm.experimental.deoptimize.i8(...)
declare i32 @llvm.experimental.deoptimize.i32(...)
define i8 @callee(i1* %c) alwaysinline {
%c0 = load volatile i1, i1* %c
br i1 %c0, label %left, label %right
left:
%c1 = load volatile i1, i1* %c
br i1 %c1, label %lleft, label %lright
lleft:
%v0 = call i8(...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ]
ret i8 %v0
lright:
ret i8 10
right:
%c2 = load volatile i1, i1* %c
br i1 %c2, label %rleft, label %rright
rleft:
%v1 = call i8(...) @llvm.experimental.deoptimize.i8(i32 1, i32 300, float 500.0, <2 x i32*> undef) [ "deopt"(i32 1) ]
ret i8 %v1
rright:
%v2 = call i8(...) @llvm.experimental.deoptimize.i8() [ "deopt"(i32 1) ]
ret i8 %v2
}
define void @caller_0(i1* %c, i8* %ptr) {
; CHECK-LABEL: @caller_0(
entry:
%v = call i8 @callee(i1* %c) [ "deopt"(i32 2) ]
store i8 %v, i8* %ptr
ret void
; CHECK: lleft.i:
; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"(i32 2, i32 1) ]
; CHECK-NEXT: ret void
; CHECK: rleft.i:
; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1, i32 300, float 5.000000e+02, <2 x i32*> undef) [ "deopt"(i32 2, i32 1) ]
; CHECK-NEXT: ret void
; CHECK: rright.i:
; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"(i32 2, i32 1) ]
; CHECK-NEXT: ret void
; CHECK: callee.exit:
; CHECK-NEXT: store i8 10, i8* %ptr
; CHECK-NEXT: ret void
}
define i32 @caller_1(i1* %c, i8* %ptr) personality i8 3 {
; CHECK-LABEL: @caller_1(
entry:
%v = invoke i8 @callee(i1* %c) [ "deopt"(i32 3) ] to label %normal
unwind label %unwind
; CHECK: lleft.i:
; CHECK-NEXT: %0 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 1) [ "deopt"(i32 3, i32 1) ]
; CHECK-NEXT: ret i32 %0
; CHECK: rleft.i:
; CHECK-NEXT: %1 = call i32 (...) @llvm.experimental.deoptimize.i32(i32 1, i32 300, float 5.000000e+02, <2 x i32*> undef) [ "deopt"(i32 3, i32 1) ]
; CHECK-NEXT: ret i32 %1
; CHECK: rright.i:
; CHECK-NEXT: %2 = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 3, i32 1) ]
; CHECK-NEXT: ret i32 %2
; CHECK: callee.exit:
; CHECK-NEXT: br label %normal
; CHECK: normal:
; CHECK-NEXT: store i8 10, i8* %ptr
; CHECK-NEXT: ret i32 42
unwind:
%lp = landingpad i32 cleanup
ret i32 43
normal:
store i8 %v, i8* %ptr
ret i32 42
}
define i8 @callee_with_alloca() alwaysinline {
%t = alloca i8
%v0 = call i8(...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i8* %t) ]
ret i8 %v0
}
define void @caller_with_lifetime() {
; CHECK-LABEL: @caller_with_lifetime(
; CHECK: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"(i8* %t.i) ]
; CHECK-NEXT: ret void
entry:
call i8 @callee_with_alloca();
ret void
}
define i8 @callee_with_dynamic_alloca(i32 %n) alwaysinline {
%p = alloca i8, i32 %n
%v = call i8(...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i8* %p) ]
ret i8 %v
}
define void @caller_with_stacksaverestore(i32 %n) {
; CHECK-LABEL: void @caller_with_stacksaverestore(
; CHECK: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"(i8* %p.i) ]
; CHECK-NEXT: ret void
%p = alloca i32, i32 %n
call i8 @callee_with_dynamic_alloca(i32 %n)
ret void
}