derek.holloway
7502bf64a4
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56 lines
1.8 KiB
LLVM
56 lines
1.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -S -passes=gvn 2>&1 | FileCheck %s --check-prefixes=CHECK,MDEP
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; RUN: opt < %s -S -passes='gvn<memoryssa>' 2>&1 | FileCheck --check-prefixes=CHECK,MSSA %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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declare noalias ptr @malloc(i64) nounwind allockind("alloc,uninitialized") allocsize(0) inaccessiblememonly
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declare noalias ptr @calloc(i64, i64) allockind("alloc,zeroed") allocsize(0,1) inaccessiblememonly
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declare noalias ptr @_Znwm(i64)
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declare void @escape(ptr)
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define i8 @test_malloc(ptr %p) {
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; CHECK-LABEL: @test_malloc(
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; CHECK-NEXT: [[OBJ:%.*]] = call ptr @malloc(i64 16)
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; CHECK-NEXT: call void @escape(ptr [[OBJ]])
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; CHECK-NEXT: ret i8 0
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;
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%v1 = load i8, ptr %p
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%obj = call ptr @malloc(i64 16)
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%v2 = load i8, ptr %p
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%sub = sub i8 %v1, %v2
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call void @escape(ptr %obj)
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ret i8 %sub
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}
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define i8 @test_calloc(ptr %p) {
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; CHECK-LABEL: @test_calloc(
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; CHECK-NEXT: [[OBJ:%.*]] = call ptr @calloc(i64 1, i64 16)
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; CHECK-NEXT: call void @escape(ptr [[OBJ]])
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; CHECK-NEXT: ret i8 0
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;
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%v1 = load i8, ptr %p
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%obj = call ptr @calloc(i64 1, i64 16)
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%v2 = load i8, ptr %p
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%sub = sub i8 %v1, %v2
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call void @escape(ptr %obj)
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ret i8 %sub
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}
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define i8 @test_opnew(ptr %p) {
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; CHECK-LABEL: @test_opnew(
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; CHECK-NEXT: [[OBJ:%.*]] = call ptr @_Znwm(i64 16)
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; CHECK-NEXT: call void @escape(ptr [[OBJ]])
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; CHECK-NEXT: ret i8 0
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;
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%v1 = load i8, ptr %p
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%obj = call ptr @_Znwm(i64 16)
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%v2 = load i8, ptr %p
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%sub = sub i8 %v1, %v2
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call void @escape(ptr %obj)
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ret i8 %sub
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}
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;; NOTE: These prefixes are unused and the list is autogenerated. Do not add tests below this line:
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; MDEP: {{.*}}
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; MSSA: {{.*}}
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