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519182b1ba
Flattens arrays by ORing together all their elements. Differential Revision: https://reviews.llvm.org/D84446
20 lines
975 B
LLVM
20 lines
975 B
LLVM
; RUN: opt < %s -msan-eager-checks -msan-check-access-address=0 -msan-track-origins=1 -S -passes='module(msan-module),function(msan)' 2>&1 | \
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; RUN: FileCheck -allow-deprecated-dag-overlap -check-prefixes=CHECK,CHECK-ORIGINS %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-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define noundef [2 x i24] @check_array([2 x i24]* %p) sanitize_memory {
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; CHECK: @check_array([2 x i24]* [[P:%.*]])
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; CHECK: [[O:%.*]] = load [2 x i24], [2 x i24]* [[P]]
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%o = load [2 x i24], [2 x i24]* %p
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; CHECK: [[FIELD0:%.+]] = extractvalue [2 x i24] %_msld, 0
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; CHECK: [[FIELD1:%.+]] = extractvalue [2 x i24] %_msld, 1
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; CHECK: [[F1_OR:%.+]] = or i24 [[FIELD0]], [[FIELD1]]
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; CHECK: %_mscmp = icmp ne i24 [[F1_OR]], 0
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; CHECK: br i1 %_mscmp
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; CHECK: call void @__msan_warning
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; CHECK: ret [2 x i24] [[O]]
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ret [2 x i24] %o
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}
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