1 ; RUN: llc -mtriple=s390x-linux-gnu < %s | FileCheck %s 2 3 ; Trivial patchpoint codegen 4 ; 5 define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { 6 entry: 7 ; CHECK-LABEL: trivial_patchpoint_codegen: 8 ; CHECK: llilf %r1, 559038736 9 ; CHECK-NEXT: basr %r14, %r1 10 ; CHECK-NEXT: bcr 0, %r0 11 ; CHECK: lgr [[REG0:%r[0-9]+]], %r2 12 ; CHECK: llilf %r1, 559038737 13 ; CHECK-NEXT: basr %r14, %r1 14 ; CHECK-NEXT: bcr 0, %r0 15 ; CHECK: lgr %r2, [[REG0:%r[0-9]+]] 16 ; CHECK: br %r14 17 %resolveCall2 = inttoptr i64 559038736 to i8* 18 %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 2, i32 10, i8* %resolveCall2, i32 4, i64 %p1, i64 %p2, i64 %p3, i64 %p4) 19 %resolveCall3 = inttoptr i64 559038737 to i8* 20 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 3, i32 10, i8* %resolveCall3, i32 2, i64 %p1, i64 %result) 21 ret i64 %result 22 } 23 24 ; Trivial symbolic patchpoint codegen. 25 ; 26 27 declare i64 @foo(i64 %p1, i64 %p2) 28 define i64 @trivial_symbolic_patchpoint_codegen(i64 %p1, i64 %p2) { 29 entry: 30 ; CHECK-LABEL: trivial_symbolic_patchpoint_codegen: 31 ; CHECK: brasl %r14, foo@PLT 32 ; CHECK-NEXT: bcr 0, %r0 33 ; CHECK: br %r14 34 %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 9, i32 8, i8* bitcast (i64 (i64, i64)* @foo to i8*), i32 2, i64 %p1, i64 %p2) 35 ret i64 %result 36 } 37 38 39 ; Caller frame metadata with stackmaps. This should not be optimized 40 ; as a leaf function. 41 ; 42 ; CHECK-LABEL: caller_meta_leaf 43 ; CHECK: aghi %r15, -184 44 ; CHECK: .Ltmp 45 ; CHECK: lmg %r14, %r15, 296(%r15) 46 ; CHECK: br %r14 47 define void @caller_meta_leaf() { 48 entry: 49 %metadata = alloca i64, i32 3, align 8 50 store i64 11, i64* %metadata 51 store i64 12, i64* %metadata 52 store i64 13, i64* %metadata 53 call void (i64, i32, ...) @llvm.experimental.stackmap(i64 4, i32 0, i64* %metadata) 54 ret void 55 } 56 57 ; Test patchpoints reusing the same TargetConstant. 58 ; <rdar:15390785> Assertion failed: (CI.getNumArgOperands() >= NumArgs + 4) 59 ; There is no way to verify this, since it depends on memory allocation. 60 ; But I think it's useful to include as a working example. 61 define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) { 62 entry: 63 %tmp80 = add i64 %tmp79, -16 64 %tmp81 = inttoptr i64 %tmp80 to i64* 65 %tmp82 = load i64, i64* %tmp81, align 8 66 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 14, i32 6, i64 %arg, i64 %tmp2, i64 %tmp10, i64 %tmp82) 67 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 15, i32 30, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp82) 68 %tmp83 = load i64, i64* %tmp33, align 8 69 %tmp84 = add i64 %tmp83, -24 70 %tmp85 = inttoptr i64 %tmp84 to i64* 71 %tmp86 = load i64, i64* %tmp85, align 8 72 tail call void (i64, i32, ...) @llvm.experimental.stackmap(i64 17, i32 6, i64 %arg, i64 %tmp10, i64 %tmp86) 73 tail call void (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.void(i64 18, i32 30, i8* null, i32 3, i64 %arg, i64 %tmp10, i64 %tmp86) 74 ret i64 10 75 } 76 77 ; Test small patchpoints that don't emit calls. 78 define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { 79 entry: 80 ; CHECK-LABEL: small_patchpoint_codegen: 81 ; CHECK: .Ltmp 82 ; CHECK: bcr 0, %r0 83 ; CHECK: br %r14 84 %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 5, i32 2, i8* null, i32 2, i64 %p1, i64 %p2) 85 ret void 86 } 87 88 ; Test large target address. 89 define i64 @large_target_address_patchpoint_codegen() { 90 entry: 91 ; CHECK-LABEL: large_target_address_patchpoint_codegen: 92 ; CHECK: llilf %r1, 2566957755 93 ; CHECK-NEXT: iihf %r1, 1432778632 94 ; CHECK-NEXT: basr %r14, %r1 95 %resolveCall2 = inttoptr i64 6153737369414576827 to i8* 96 %result = tail call i64 (i64, i32, i8*, i32, ...) @llvm.experimental.patchpoint.i64(i64 2, i32 14, i8* %resolveCall2, i32 0) 97 ret i64 %result 98 } 99 100 declare void @llvm.experimental.stackmap(i64, i32, ...) 101 declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...) 102 declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...) 103
