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ab043ff680
Essentially the same as the GEP change in r230786.
A similar migration script can be used to update test cases, though a few more
test case improvements/changes were required this time around: (r229269-r229278)
import fileinput
import sys
import re
pat = re.compile(r"((?:=|:|^)\s*load (?:atomic )?(?:volatile )?(.*?))(| addrspace\(\d+\) *)\*($| *(?:%|@|null|undef|blockaddress|getelementptr|addrspacecast|bitcast|inttoptr|\[\[[a-zA-Z]|\{\{).*$)")
for line in sys.stdin:
sys.stdout.write(re.sub(pat, r"\1, \2\3*\4", line))
Reviewers: rafael, dexonsmith, grosser
Differential Revision: http://reviews.llvm.org/D7649
llvm-svn: 230794
169 lines
5.9 KiB
LLVM
169 lines
5.9 KiB
LLVM
; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-load=1 -S | FileCheck %s --check-prefix=COMBINE_PTR_LABEL
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; RUN: opt < %s -dfsan -dfsan-combine-pointer-labels-on-load=0 -S | FileCheck %s --check-prefix=NO_COMBINE_PTR_LABEL
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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target triple = "x86_64-unknown-linux-gnu"
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define {} @load0({}* %p) {
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; COMBINE_PTR_LABEL: @"dfs$load0"
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; COMBINE_PTR_LABEL: load
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; COMBINE_PTR_LABEL-NOT: load
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; NO_COMBINE_PTR_LABEL: @"dfs$load0"
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; NO_COMBINE_PTR_LABEL: load
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; NO_COMBINE_PTR_LABEL-NOT: load
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%a = load {}, {}* %p
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ret {} %a
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}
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define i8 @load8(i8* %p) {
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; COMBINE_PTR_LABEL: @"dfs$load8"
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; COMBINE_PTR_LABEL: load i16, i16*
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; COMBINE_PTR_LABEL: ptrtoint i8* {{.*}} to i64
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; COMBINE_PTR_LABEL: and i64
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; COMBINE_PTR_LABEL: mul i64
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; COMBINE_PTR_LABEL: inttoptr i64
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; COMBINE_PTR_LABEL: load i16, i16*
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; COMBINE_PTR_LABEL: icmp ne i16
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; COMBINE_PTR_LABEL: call zeroext i16 @__dfsan_union
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; COMBINE_PTR_LABEL: load i8, i8*
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; COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; COMBINE_PTR_LABEL: ret i8
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; NO_COMBINE_PTR_LABEL: @"dfs$load8"
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; NO_COMBINE_PTR_LABEL: ptrtoint i8*
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; NO_COMBINE_PTR_LABEL: and i64
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; NO_COMBINE_PTR_LABEL: mul i64
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; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} to i16*
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; NO_COMBINE_PTR_LABEL: load i16, i16*
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; NO_COMBINE_PTR_LABEL: load i8, i8*
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; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; NO_COMBINE_PTR_LABEL: ret i8
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%a = load i8, i8* %p
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ret i8 %a
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}
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define i16 @load16(i16* %p) {
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; COMBINE_PTR_LABEL: @"dfs$load16"
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; COMBINE_PTR_LABEL: ptrtoint i16*
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; COMBINE_PTR_LABEL: and i64
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; COMBINE_PTR_LABEL: mul i64
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; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
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; COMBINE_PTR_LABEL: getelementptr i16
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; COMBINE_PTR_LABEL: load i16, i16*
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; COMBINE_PTR_LABEL: load i16, i16*
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; COMBINE_PTR_LABEL: icmp ne
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; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
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; COMBINE_PTR_LABEL: icmp ne i16
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; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
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; COMBINE_PTR_LABEL: load i16, i16*
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; COMBINE_PTR_LABEL: store {{.*}} @__dfsan_retval_tls
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; COMBINE_PTR_LABEL: ret i16
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; NO_COMBINE_PTR_LABEL: @"dfs$load16"
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; NO_COMBINE_PTR_LABEL: ptrtoint i16*
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; NO_COMBINE_PTR_LABEL: and i64
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; NO_COMBINE_PTR_LABEL: mul i64
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; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
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; NO_COMBINE_PTR_LABEL: getelementptr i16, i16*
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; NO_COMBINE_PTR_LABEL: load i16, i16*
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; NO_COMBINE_PTR_LABEL: load i16, i16*
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; NO_COMBINE_PTR_LABEL: icmp ne i16
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; NO_COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
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; NO_COMBINE_PTR_LABEL: load i16, i16*
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; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; NO_COMBINE_PTR_LABEL: ret i16
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%a = load i16, i16* %p
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ret i16 %a
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}
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define i32 @load32(i32* %p) {
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; COMBINE_PTR_LABEL: @"dfs$load32"
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; COMBINE_PTR_LABEL: ptrtoint i32*
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; COMBINE_PTR_LABEL: and i64
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; COMBINE_PTR_LABEL: mul i64
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; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
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; COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
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; COMBINE_PTR_LABEL: load i64, i64*
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; COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
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; COMBINE_PTR_LABEL: shl i64
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; COMBINE_PTR_LABEL: lshr i64
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; COMBINE_PTR_LABEL: or i64
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; COMBINE_PTR_LABEL: icmp eq i64
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; COMBINE_PTR_LABEL: icmp ne i16
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; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
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; COMBINE_PTR_LABEL: load i32, i32*
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; COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; COMBINE_PTR_LABEL: ret i32
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; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
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; NO_COMBINE_PTR_LABEL: @"dfs$load32"
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; NO_COMBINE_PTR_LABEL: ptrtoint i32*
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; NO_COMBINE_PTR_LABEL: and i64
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; NO_COMBINE_PTR_LABEL: mul i64
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; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
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; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
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; NO_COMBINE_PTR_LABEL: load i64, i64*
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; NO_COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
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; NO_COMBINE_PTR_LABEL: shl i64
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; NO_COMBINE_PTR_LABEL: lshr i64
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; NO_COMBINE_PTR_LABEL: or i64
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; NO_COMBINE_PTR_LABEL: icmp eq i64
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; NO_COMBINE_PTR_LABEL: load i32, i32*
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; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; NO_COMBINE_PTR_LABEL: ret i32
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; NO_COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
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%a = load i32, i32* %p
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ret i32 %a
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}
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define i64 @load64(i64* %p) {
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; COMBINE_PTR_LABEL: @"dfs$load64"
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; COMBINE_PTR_LABEL: ptrtoint i64*
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; COMBINE_PTR_LABEL: and i64
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; COMBINE_PTR_LABEL: mul i64
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; COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
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; COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
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; COMBINE_PTR_LABEL: load i64, i64*
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; COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
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; COMBINE_PTR_LABEL: shl i64
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; COMBINE_PTR_LABEL: lshr i64
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; COMBINE_PTR_LABEL: or i64
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; COMBINE_PTR_LABEL: icmp eq i64
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; COMBINE_PTR_LABEL: icmp ne i16
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; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union
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; COMBINE_PTR_LABEL: load i64, i64*
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; COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; COMBINE_PTR_LABEL: ret i64
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; COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
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; COMBINE_PTR_LABEL: getelementptr i64, i64* {{.*}} i64
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; COMBINE_PTR_LABEL: load i64, i64*
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; COMBINE_PTR_LABEL: icmp eq i64
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; NO_COMBINE_PTR_LABEL: @"dfs$load64"
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; NO_COMBINE_PTR_LABEL: ptrtoint i64*
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; NO_COMBINE_PTR_LABEL: and i64
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; NO_COMBINE_PTR_LABEL: mul i64
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; NO_COMBINE_PTR_LABEL: inttoptr i64 {{.*}} i16*
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; NO_COMBINE_PTR_LABEL: bitcast i16* {{.*}} i64*
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; NO_COMBINE_PTR_LABEL: load i64, i64*
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; NO_COMBINE_PTR_LABEL: trunc i64 {{.*}} i16
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; NO_COMBINE_PTR_LABEL: shl i64
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; NO_COMBINE_PTR_LABEL: lshr i64
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; NO_COMBINE_PTR_LABEL: or i64
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; NO_COMBINE_PTR_LABEL: icmp eq i64
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; NO_COMBINE_PTR_LABEL: load i64, i64*
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; NO_COMBINE_PTR_LABEL: store i16 {{.*}} @__dfsan_retval_tls
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; NO_COMBINE_PTR_LABEL: ret i64
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; NO_COMBINE_PTR_LABEL: call {{.*}} @__dfsan_union_load
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; NO_COMBINE_PTR_LABEL: getelementptr i64, i64* {{.*}} i64
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; NO_COMBINE_PTR_LABEL: load i64, i64*
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; NO_COMBINE_PTR_LABEL: icmp eq i64
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%a = load i64, i64* %p
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ret i64 %a
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}
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