1 ; RUN: opt -S -lower-guard-intrinsic < %s | FileCheck %s 2 ; RUN: opt -S -passes='lower-guard-intrinsic' < %s | FileCheck %s 3 4 declare void @llvm.experimental.guard(i1, ...) 5 6 define i8 @f_basic(i1* %c_ptr) { 7 ; CHECK-LABEL: @f_basic( 8 9 %c = load volatile i1, i1* %c_ptr 10 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"(i32 1) ] 11 ret i8 5 12 13 ; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 14 ; CHECK: deopt: 15 ; CHECK-NEXT: %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ] 16 ; CHECK-NEXT: ret i8 %deoptcall 17 ; CHECK: guarded: 18 ; CHECK-NEXT: ret i8 5 19 } 20 21 define void @f_void_return_ty(i1* %c_ptr) { 22 ; CHECK-LABEL: @f_void_return_ty( 23 24 %c = load volatile i1, i1* %c_ptr 25 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1) [ "deopt"() ] 26 ret void 27 28 ; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 29 ; CHECK: deopt: 30 ; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1) [ "deopt"() ] 31 ; CHECK-NEXT: ret void 32 ; CHECK: guarded: 33 ; CHECK-NEXT: ret void 34 } 35 36 define void @f_multiple_args(i1* %c_ptr) { 37 ; CHECK-LABEL: @f_multiple_args( 38 39 %c = load volatile i1, i1* %c_ptr 40 call void(i1, ...) @llvm.experimental.guard(i1 %c, i32 1, i32 2, double 500.0) [ "deopt"(i32 2, i32 3) ] 41 ret void 42 43 ; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 44 ; CHECK: deopt: 45 ; CHECK-NEXT: call void (...) @llvm.experimental.deoptimize.isVoid(i32 1, i32 2, double 5.000000e+02) [ "deopt"(i32 2, i32 3) ] 46 ; CHECK-NEXT: ret void 47 ; CHECK: guarded: 48 ; CHECK-NEXT: ret void 49 } 50 51 define i32 @f_zero_args(i1* %c_ptr) { 52 ; CHECK-LABEL: @f_zero_args( 53 %c = load volatile i1, i1* %c_ptr 54 call void(i1, ...) @llvm.experimental.guard(i1 %c) [ "deopt"(i32 2, i32 3) ] 55 ret i32 500 56 57 ; CHECK: br i1 %c, label %guarded, label %deopt, !prof !0 58 ; CHECK: deopt: 59 ; CHECK-NEXT: %deoptcall = call i32 (...) @llvm.experimental.deoptimize.i32() [ "deopt"(i32 2, i32 3) ] 60 ; CHECK-NEXT: ret i32 %deoptcall 61 ; CHECK: guarded: 62 ; CHECK-NEXT: ret i32 500 63 } 64 65 define i8 @f_with_make_implicit_md(i32* %ptr) { 66 ; CHECK-LABEL: @f_with_make_implicit_md( 67 ; CHECK: br i1 %notNull, label %guarded, label %deopt, !prof !0, !make.implicit !1 68 ; CHECK: deopt: 69 ; CHECK-NEXT: %deoptcall = call i8 (...) @llvm.experimental.deoptimize.i8(i32 1) [ "deopt"(i32 1) ] 70 ; CHECK-NEXT: ret i8 %deoptcall 71 72 %notNull = icmp ne i32* %ptr, null 73 call void(i1, ...) @llvm.experimental.guard(i1 %notNull, i32 1) [ "deopt"(i32 1) ], !make.implicit !{} 74 ret i8 5 75 } 76 77 !0 = !{!"branch_weights", i32 1048576, i32 1} 78
