1; RUN: opt -S -lower-guard-intrinsic < %s | FileCheck %s 2 3declare void @llvm.experimental.guard(i1, ...) 4 5define i8 @f_basic(i1* %c_ptr) { 6; CHECK-LABEL: @f_basic( 7 8 %c = load volatile i1, i1* %c_ptr 9 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"(i32 1) ] 10 ret i8 5 11 12; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 13; CHECK: deopt: 14; CHECK-NEXT: %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ] 15; CHECK-NEXT: ret i8 %deoptcall 16; CHECK: guarded: 17; CHECK-NEXT: ret i8 5 18} 19 20define void @f_void_return_ty(i1* %c_ptr) { 21; CHECK-LABEL: @f_void_return_ty( 22 23 %c = load volatile i1, i1* %c_ptr 24 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"() ] 25 ret void 26 27; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 28; CHECK: deopt: 29; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"() ] 30; CHECK-NEXT: ret void 31; CHECK: guarded: 32; CHECK-NEXT: ret void 33} 34 35define void @f_multiple_args(i1* %c_ptr) { 36; CHECK-LABEL: @f_multiple_args( 37 38 %c = load volatile i1, i1* %c_ptr 39 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1, i32 2, double 500.0) [ "deopt"(i32 2, i32 3) ] 40 ret void 41 42; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 43; CHECK: deopt: 44; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1, i32 2, double 5.000000e+02) [ "deopt"(i32 2, i32 3) ] 45; CHECK-NEXT: ret void 46; CHECK: guarded: 47; CHECK-NEXT: ret void 48} 49 50define i32 @f_zero_args(i1* %c_ptr) { 51; CHECK-LABEL: @f_zero_args( 52 %c = load volatile i1, i1* %c_ptr 53 call void(i1, ...) @llvm.experimental.guard(i1 %c) [ "deopt"(i32 2, i32 3) ] 54 ret i32 500 55 56; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 57; CHECK: deopt: 58; CHECK-NEXT: %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 2, i32 3) ] 59; CHECK-NEXT: ret i32 %deoptcall 60; CHECK: guarded: 61; CHECK-NEXT: ret i32 500 62} 63 64define i8 @f_with_make_implicit_md(i32* %ptr) { 65; CHECK-LABEL: @f_with_make_implicit_md( 66; CHECK: br i1 %notNull, label %guarded, label %deopt, !prof !0, !make.implicit !1 67; CHECK: deopt: 68; CHECK-NEXT: %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ] 69; CHECK-NEXT: ret i8 %deoptcall 70 71 %notNull = icmp ne i32* %ptr, null 72 call void(i1, ...) @llvm.experimental.guard(i1 %notNull, i32 1) [ "deopt"(i32 1) ], !make.implicit !{} 73 ret i8 5 74} 75 76!0 = !{!"branch_weights", i32 1048576, i32 1} 77