1 ; RUN: opt -S -lower-guard-intrinsic < %s | FileCheck %s 2 3 declare void @llvm.experimental.guard(i1, ...) 4 5 define 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 20 define 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 35 define 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 50 define 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 64 define 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
