derek.holloway
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114 lines
4.6 KiB
LLVM
114 lines
4.6 KiB
LLVM
; RUN: opt -passes='print<alias-sets>' -S -o - < %s 2>&1 | FileCheck %s --implicit-check-not="Unknown instructions"
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; CHECK: Alias sets for function 'test1':
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; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1))
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1))
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define void @test1(i32 %c) {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, ptr %a, align 1
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%cond1 = icmp ne i32 %c, 0
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call void @llvm.assume(i1 %cond1)
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store i8 1, ptr %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test2':
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; CHECK: Alias Set Tracker: 3 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1))
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] may alias, Ref
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; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ]
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1))
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define void @test2(i32 %c) {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, ptr %a, align 1
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%cond1 = icmp ne i32 %c, 0
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call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()]
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store i8 1, ptr %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test3':
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; CHECK: Alias Set Tracker: 1 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 3] may alias, Mod/Ref Memory locations: (ptr %a, LocationSize::precise(1)), (ptr %b, LocationSize::precise(1))
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; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ]
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define void @test3(i32 %c, ptr %a, ptr %b) {
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entry:
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store i8 1, ptr %a, align 1
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%cond1 = icmp ne i32 %c, 0
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call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()]
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store i8 1, ptr %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test4':
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; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 2] may alias, Mod/Ref Memory locations: (ptr %a, LocationSize::precise(1))
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; CHECK: 1 Unknown instructions: call void (i1, ...) @llvm.experimental.guard(i1 %cond1) [ "deopt"() ]
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1))
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define void @test4(i32 %c, ptr %a) {
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entry:
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%b = alloca i8, align 1
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store i8 1, ptr %a, align 1
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%cond1 = icmp ne i32 %c, 0
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call void (i1, ...) @llvm.experimental.guard(i1 %cond1)["deopt"()]
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store i8 1, ptr %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test5':
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; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1))
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1))
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define void @test5() {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, ptr %a, align 1
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call void @llvm.experimental.noalias.scope.decl(metadata !0)
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store i8 1, ptr %b, align 1
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ret void
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}
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; CHECK: Alias sets for function 'test_runtime':
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; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1))
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1))
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define i1 @test_runtime() local_unnamed_addr {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, ptr %a, align 1
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%allow = call i1 @llvm.allow.runtime.check(metadata !"test_check")
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store i8 1, ptr %b, align 1
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ret i1 %allow
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}
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; CHECK: Alias sets for function 'test_ubsan':
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; CHECK: Alias Set Tracker: 2 alias sets for 2 pointer values.
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %a, LocationSize::precise(1))
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; CHECK: AliasSet[0x{{[0-9a-f]+}}, 1] must alias, Mod Memory locations: (ptr %b, LocationSize::precise(1))
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define i1 @test_ubsan() local_unnamed_addr {
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entry:
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%a = alloca i8, align 1
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%b = alloca i8, align 1
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store i8 1, ptr %a, align 1
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%allow = call i1 @llvm.allow.ubsan.check(i8 7)
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store i8 1, ptr %b, align 1
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ret i1 %allow
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}
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declare i1 @llvm.allow.ubsan.check(i8)
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declare i1 @llvm.allow.runtime.check(metadata)
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declare void @llvm.assume(i1)
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declare void @llvm.experimental.guard(i1, ...)
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declare void @llvm.experimental.noalias.scope.decl(metadata)
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!0 = !{ !1 }
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!1 = distinct !{ !1, !2, !"test5: var" }
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!2 = distinct !{ !2, !"test5" }
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