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1; RUN: opt < %s -aa-pipeline=basic-aa -passes=aa-eval -print-all-alias-modref-info -disable-output 2>&1 | FileCheck %s2target datalayout = "e-p:32:32:32-i1:8:32-i8:8:32-i16:16:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-v64:32:64-v128:32:128-a0:0:32-n32"3 4@G1 = external global i325 6declare void @llvm.memcpy.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1)7declare void @llvm.memmove.p0.p0.i64(ptr nocapture, ptr nocapture, i64, i1)8declare void @llvm.experimental.deoptimize.void(...)9declare void @unknown_but_readonly() readonly10 11define void @test1(ptr %p) {12 load i8, ptr %p13 call void(...) @llvm.experimental.deoptimize.void() [ "deopt"() ]14 ret void15 16; CHECK-LABEL: Function: test1:17; CHECK: Just Ref: Ptr: i8* %p <-> call void (...) @llvm.experimental.deoptimize.isVoid() [ "deopt"() ]18}19 20; By specification calls with deopt bundles reads through all operands and entire heap.21; Check that global G1 is reported as Ref by memcpy/memmove calls.22define i32 @test_memcpy_with_deopt() {23; CHECK-LABEL: Function: test_memcpy_with_deopt:24; CHECK: Both ModRef: Ptr: i8* %A <-> call void @llvm.memcpy.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]25; CHECK: Just Ref: Ptr: i8* %B <-> call void @llvm.memcpy.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]26; CHECK: Just Ref: Ptr: i32* @G1 <-> call void @llvm.memcpy.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]27 28 %A = alloca i829 %B = alloca i830 load i8, ptr %A31 load i8, ptr %B32 33 store i32 2, ptr @G1 ;; Not referenced by semantics of memcpy but still may be read due to "deopt"34 35 call void @llvm.memcpy.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]36 37 %C = load i32, ptr @G138 ret i32 %C39}40 41define i32 @test_memmove_with_deopt() {42; CHECK-LABEL: Function: test_memmove_with_deopt:43; CHECK: Both ModRef: Ptr: i8* %A <-> call void @llvm.memmove.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]44; CHECK: Just Ref: Ptr: i8* %B <-> call void @llvm.memmove.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]45; CHECK: Just Ref: Ptr: i32* @G1 <-> call void @llvm.memmove.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]46 47 %A = alloca i848 %B = alloca i849 load i8, ptr %A50 load i8, ptr %B51 52 store i32 2, ptr @G1 ;; Not referenced by semantics of memcpy but still may be read due to "deopt"53 54 call void @llvm.memmove.p0.p0.i64(ptr %A, ptr %B, i64 -1, i1 false) [ "deopt"() ]55 56 %C = load i32, ptr @G157 ret i32 %C58}59