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23 lines
1.2 KiB
LLVM
23 lines
1.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -instcombine -S < %s | FileCheck %s
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declare i32 @memcmp(i8 addrspace(1)* nocapture, i8* nocapture, i64)
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define i32 @memcmp_const_size_update_deref(i8 addrspace(1)* nocapture readonly %d, i8* nocapture readonly %s) {
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; CHECK-LABEL: @memcmp_const_size_update_deref(
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; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8 addrspace(1)* noundef dereferenceable(16) dereferenceable_or_null(40) [[D:%.*]], i8* noundef nonnull dereferenceable(16) [[S:%.*]], i64 16)
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; CHECK-NEXT: ret i32 [[CALL]]
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;
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%call = tail call i32 @memcmp(i8 addrspace(1)* dereferenceable_or_null(40) %d, i8* %s, i64 16)
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ret i32 %call
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}
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define i32 @memcmp_nonconst_size_nonnnull(i8 addrspace(1)* nocapture readonly %d, i8* nocapture readonly %s, i64 %n) {
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; CHECK-LABEL: @memcmp_nonconst_size_nonnnull(
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; CHECK-NEXT: [[CALL:%.*]] = tail call i32 @memcmp(i8 addrspace(1)* nonnull dereferenceable_or_null(40) [[D:%.*]], i8* nonnull [[S:%.*]], i64 [[N:%.*]])
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; CHECK-NEXT: ret i32 [[CALL]]
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;
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%call = tail call i32 @memcmp(i8 addrspace(1)* nonnull dereferenceable_or_null(40) %d, i8* nonnull %s, i64 %n)
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ret i32 %call
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}
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