[PATCH 18/38] [noalias] Remove noalias related part from assume test.

[jeroen.dobbelaere]

Summary

This is part of the series started by D68484.

Note: this is a stable point and tests should run fine with the patches applied up to this point.

[jeroen.dobbelaere]

Rebased

[jeroen.dobbelaere]

For review convenience, all changes related to the original local restrict patches have now been incorporated in the full restrict patch series.

llvm/test/Transforms/InstCombine/assume.ll

;
   %t2 = bitcast <4 x i8> %shuf to i32
   %t3 = icmp ult i32 %t2, 65536
   call void @llvm.assume(i1 %t3)
   ret i32 %t2
 }
 
 declare void @llvm.dbg.value(metadata, metadata, metadata)
 
-define i1 @nonnull5(i32** %a) {
-entry:
-  %load = load i32*, i32** %a
-  ;; This call cannot actually trap, and so should not disrupt the assume.
-  %v = call i32* @llvm.noalias.p0i32(i32* %load, metadata !1)
-  %cmp = icmp ne i32* %load, null
-  tail call void @llvm.assume(i1 %cmp)
-  %q = bitcast i32** %a to i32*
-  %rval = icmp eq i32* %v, %q
-  ret i1 %rval
-
-; CHECK-LABEL: @nonnull5
-; CHECK: !nonnull
-; CHECK-NOT: call void @llvm.assume
-}
-
-declare i32* @llvm.noalias.p0i32(i32*, metadata) nounwind
-
 !llvm.dbg.cu = !{!0}
 !llvm.module.flags = !{!5, !6, !7, !8}
 
 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !3, producer: "Me", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: null, retainedTypes: null, imports: null)
 !1 = !DILocalVariable(name: "", arg: 1, scope: !2, file: null, line: 1, type: null)
 !2 = distinct !DISubprogram(name: "debug", linkageName: "debug", scope: null, file: null, line: 0, type: null, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: true, unit: !0)
 !3 = !DIFile(filename: "consecutive-fences.ll", directory: "")
 !5 = !{i32 2, !"Dwarf Version", i32 4}