1; RUN: llc -mtriple=s390x-linux-gnu < %s | FileCheck %s 2 3; Trivial patchpoint codegen 4; 5define i64 @trivial_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { 6entry: 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 27declare i64 @foo(i64 %p1, i64 %p2) 28define i64 @trivial_symbolic_patchpoint_codegen(i64 %p1, i64 %p2) { 29entry: 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 47define void @caller_meta_leaf() { 48entry: 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. 61define i64 @testLowerConstant(i64 %arg, i64 %tmp2, i64 %tmp10, i64* %tmp33, i64 %tmp79) { 62entry: 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. 78define void @small_patchpoint_codegen(i64 %p1, i64 %p2, i64 %p3, i64 %p4) { 79entry: 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. 89define i64 @large_target_address_patchpoint_codegen() { 90entry: 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 100declare void @llvm.experimental.stackmap(i64, i32, ...) 101declare void @llvm.experimental.patchpoint.void(i64, i32, i8*, i32, ...) 102declare i64 @llvm.experimental.patchpoint.i64(i64, i32, i8*, i32, ...) 103