252 lines
14 KiB
LLVM
252 lines
14 KiB
LLVM
; RUN: opt < %s -passes=dfsan -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck %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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; CHECK: @__dfsan_shadow_width_bits = weak_odr constant i32 [[#SBITS:]]
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; CHECK: @__dfsan_shadow_width_bytes = weak_odr constant i32 [[#SBYTES:]]
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; CHECK: define { i1, i7 } @functional({ i32, i1 } %a, [2 x i7] %b)
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define {i1, i7} @functional({i32, i1} %a, [2 x i7] %b) {
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%a1 = extractvalue {i32, i1} %a, 1
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%b0 = extractvalue [2 x i7] %b, 0
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%r0 = insertvalue {i1, i7} undef, i1 %a1, 0
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%r1 = insertvalue {i1, i7} %r0, i7 %b0, 1
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ret {i1, i7} %r1
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}
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define {i1, i7} @call_functional({i32, i1} %a, [2 x i7] %b) {
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; CHECK-LABEL: @call_functional.dfsan
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; CHECK-NEXT: %[[#REG:]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK-NEXT: %[[#REG+1]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK-NEXT: %[[#REG+2]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } %[[#REG+1]], 0
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; CHECK-NEXT: %[[#REG+3]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } %[[#REG+1]], 1
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; CHECK-NEXT: %[[#REG+4]] = or i[[#SBITS]] %[[#REG+2]], %[[#REG+3]]
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; CHECK-NEXT: %[[#REG+5]] = extractvalue [2 x i[[#SBITS]]] %[[#REG]], 0
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; CHECK-NEXT: %[[#REG+6]] = extractvalue [2 x i[[#SBITS]]] %[[#REG]], 1
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; CHECK-NEXT: %[[#REG+7]] = or i[[#SBITS]] %[[#REG+5]], %[[#REG+6]]
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; CHECK-NEXT: %[[#REG+8]] = or i[[#SBITS]] %[[#REG+4]], %[[#REG+7]]
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; CHECK-NEXT: %[[#REG+9]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } undef, i[[#SBITS]] %[[#REG+8]], 0
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; CHECK-NEXT: %[[#REG+10]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } %[[#REG+9]], i[[#SBITS]] %[[#REG+8]], 1
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } %[[#REG+10]], ptr @__dfsan_retval_tls, align [[ALIGN]]
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%r = call {i1, i7} @functional({i32, i1} %a, [2 x i7] %b)
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ret {i1, i7} %r
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}
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; CHECK: define { i1, i7 } @discard({ i32, i1 } %a, [2 x i7] %b)
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define {i1, i7} @discard({i32, i1} %a, [2 x i7] %b) {
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%a1 = extractvalue {i32, i1} %a, 1
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%b0 = extractvalue [2 x i7] %b, 0
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%r0 = insertvalue {i1, i7} undef, i1 %a1, 0
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%r1 = insertvalue {i1, i7} %r0, i7 %b0, 1
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ret {i1, i7} %r1
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}
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define {i1, i7} @call_discard({i32, i1} %a, [2 x i7] %b) {
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; CHECK: @call_discard.dfsan
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } zeroinitializer, ptr @__dfsan_retval_tls, align 2
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%r = call {i1, i7} @discard({i32, i1} %a, [2 x i7] %b)
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ret {i1, i7} %r
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}
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; CHECK: define { i1, i7 } @uninstrumented({ i32, i1 } %a, [2 x i7] %b)
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define {i1, i7} @uninstrumented({i32, i1} %a, [2 x i7] %b) {
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%a1 = extractvalue {i32, i1} %a, 1
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%b0 = extractvalue [2 x i7] %b, 0
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%r0 = insertvalue {i1, i7} undef, i1 %a1, 0
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%r1 = insertvalue {i1, i7} %r0, i7 %b0, 1
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ret {i1, i7} %r1
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}
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define {i1, i7} @call_uninstrumented({i32, i1} %a, [2 x i7] %b) {
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; CHECK: @call_uninstrumented.dfsan
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; CHECK: call void @__dfsan_unimplemented
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } zeroinitializer, ptr @__dfsan_retval_tls, align 2
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%r = call {i1, i7} @uninstrumented({i32, i1} %a, [2 x i7] %b)
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ret {i1, i7} %r
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}
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define {i1, i7} @call_custom_with_ret({i32, i1} %a, [2 x i7] %b) {
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; CHECK: @call_custom_with_ret.dfsan
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; CHECK: %labelreturn = alloca i[[#SBITS]], align [[#SBYTES]]
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: [[R:%.*]] = call { i1, i7 } @__dfsw_custom_with_ret({ i32, i1 } %a, [2 x i7] %b, i[[#SBITS]] zeroext [[A01]], i[[#SBITS]] zeroext [[B01]], ptr %labelreturn)
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; CHECK: [[RE:%.*]] = load i[[#SBITS]], ptr %labelreturn, align [[#SBYTES]]
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; CHECK: [[RS0:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } undef, i[[#SBITS]] [[RE]], 0
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; CHECK: [[RS1:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[RS0]], i[[#SBITS]] [[RE]], 1
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } [[RS1]], ptr @__dfsan_retval_tls, align [[ALIGN]]
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; CHECK: ret { i1, i7 } [[R]]
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%r = call {i1, i7} @custom_with_ret({i32, i1} %a, [2 x i7] %b)
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ret {i1, i7} %r
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}
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define void @call_custom_without_ret({i32, i1} %a, [2 x i7] %b) {
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; CHECK: @call_custom_without_ret.dfsan
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: call void @__dfsw_custom_without_ret({ i32, i1 } %a, [2 x i7] %b, i[[#SBITS]] zeroext [[A01]], i[[#SBITS]] zeroext [[B01]])
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call void @custom_without_ret({i32, i1} %a, [2 x i7] %b)
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ret void
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}
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define void @call_custom_varg({i32, i1} %a, [2 x i7] %b) {
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; CHECK: @call_custom_varg.dfsan
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: %labelva = alloca [1 x i[[#SBITS]]], align [[#SBYTES]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[V0:%.*]] = getelementptr inbounds [1 x i[[#SBITS]]], ptr %labelva, i32 0, i32 0
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: store i[[#SBITS]] [[B01]], ptr [[V0]], align [[#SBYTES]]
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; CHECK: [[V:%.*]] = getelementptr inbounds [1 x i[[#SBITS]]], ptr %labelva, i32 0, i32 0
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; CHECK: call void ({ i32, i1 }, i[[#SBITS]], ptr, ...) @__dfsw_custom_varg({ i32, i1 } %a, i[[#SBITS]] zeroext [[A01]], ptr [[V]], [2 x i7] %b)
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call void ({i32, i1}, ...) @custom_varg({i32, i1} %a, [2 x i7] %b)
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ret void
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}
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define {i1, i7} @call_custom_cb({i32, i1} %a, [2 x i7] %b) {
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; CHECK: define { i1, i7 } @call_custom_cb.dfsan({ i32, i1 } %a, [2 x i7] %b) {
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; CHECK: %labelreturn = alloca i[[#SBITS]], align [[#SBYTES]]
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: [[R:%.*]] = call { i1, i7 } @__dfsw_custom_cb(ptr @cb.dfsan, { i32, i1 } %a, [2 x i7] %b, i[[#SBITS]] zeroext 0, i[[#SBITS]] zeroext [[A01]], i[[#SBITS]] zeroext [[B01]], ptr %labelreturn)
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; CHECK: [[RE:%.*]] = load i[[#SBITS]], ptr %labelreturn, align [[#SBYTES]]
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; CHECK: [[RS0:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } undef, i[[#SBITS]] [[RE]], 0
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; CHECK: [[RS1:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[RS0]], i[[#SBITS]] [[RE]], 1
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } [[RS1]], ptr @__dfsan_retval_tls, align [[ALIGN]]
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%r = call {i1, i7} @custom_cb(ptr @cb, {i32, i1} %a, [2 x i7] %b)
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ret {i1, i7} %r
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}
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define {i1, i7} @custom_cb(ptr %cb, {i32, i1} %a, [2 x i7] %b) {
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; CHECK: define { i1, i7 } @custom_cb(ptr %cb, { i32, i1 } %a, [2 x i7] %b)
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%r = call {i1, i7} %cb({i32, i1} %a, [2 x i7] %b)
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ret {i1, i7} %r
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}
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define {i1, i7} @cb({i32, i1} %a, [2 x i7] %b) {
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; CHECK: define { i1, i7 } @cb.dfsan({ i32, i1 } %a, [2 x i7] %b)
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; CHECK: [[BL:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[AL:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[AL1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[AL]], 1
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; CHECK: [[BL0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[BL]], 0
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; CHECK: [[RL0:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } zeroinitializer, i[[#SBITS]] [[AL1]], 0
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; CHECK: [[RL:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[RL0]], i[[#SBITS]] [[BL0]], 1
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } [[RL]], ptr @__dfsan_retval_tls, align [[ALIGN]]
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%a1 = extractvalue {i32, i1} %a, 1
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%b0 = extractvalue [2 x i7] %b, 0
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%r0 = insertvalue {i1, i7} undef, i1 %a1, 0
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%r1 = insertvalue {i1, i7} %r0, i7 %b0, 1
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ret {i1, i7} %r1
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}
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define ptr @ret_custom() {
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; CHECK: @ret_custom.dfsan
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; CHECK: store i[[#SBITS]] 0, ptr @__dfsan_retval_tls, align 2
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; CHECK: ret {{.*}} @"dfsw$custom_with_ret"
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ret ptr @custom_with_ret
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}
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; CHECK: define linkonce_odr { i1, i7 } @"dfsw$custom_cb"(ptr %0, { i32, i1 } %1, [2 x i7] %2) {
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; CHECK: %labelreturn = alloca i[[#SBITS]], align [[#SBYTES]]
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; COMM: TODO simplify the expression [[#mul(2,SBYTES) + max(SBYTES,2)]] to
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; COMM: [[#mul(3,SBYTES)]], if shadow-tls-alignment is updated to match shadow
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; COMM: width bytes.
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES) + max(SBYTES,2)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 2) to ptr), align [[ALIGN]]
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; CHECK: [[CB:%.*]] = load i[[#SBITS]], ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: [[R:%.*]] = call { i1, i7 } @__dfsw_custom_cb(ptr %0, { i32, i1 } %1, [2 x i7] %2, i[[#SBITS]] zeroext [[CB]], i[[#SBITS]] zeroext [[A01]], i[[#SBITS]] zeroext [[B01]], ptr %labelreturn)
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; CHECK: [[RE:%.*]] = load i[[#SBITS]], ptr %labelreturn, align [[#SBYTES]]
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; CHECK: [[RS0:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } undef, i[[#SBITS]] [[RE]], 0
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; CHECK: [[RS1:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[RS0]], i[[#SBITS]] [[RE]], 1
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } [[RS1]], ptr @__dfsan_retval_tls, align [[ALIGN]]
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define {i1, i7} @custom_with_ret({i32, i1} %a, [2 x i7] %b) {
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; CHECK: define linkonce_odr { i1, i7 } @"dfsw$custom_with_ret"({ i32, i1 } %0, [2 x i7] %1)
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; CHECK: %labelreturn = alloca i[[#SBITS]], align [[#SBYTES]]
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: [[R:%.*]] = call { i1, i7 } @__dfsw_custom_with_ret({ i32, i1 } %0, [2 x i7] %1, i[[#SBITS]] zeroext [[A01]], i[[#SBITS]] zeroext [[B01]], ptr %labelreturn)
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; CHECK: [[RE:%.*]] = load i[[#SBITS]], ptr %labelreturn, align [[#SBYTES]]
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; CHECK: [[RS0:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } undef, i[[#SBITS]] [[RE]], 0
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; CHECK: [[RS1:%.*]] = insertvalue { i[[#SBITS]], i[[#SBITS]] } [[RS0]], i[[#SBITS]] [[RE]], 1
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; CHECK: store { i[[#SBITS]], i[[#SBITS]] } [[RS1]], ptr @__dfsan_retval_tls, align [[ALIGN]]
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; CHECK: ret { i1, i7 } [[R]]
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%a1 = extractvalue {i32, i1} %a, 1
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%b0 = extractvalue [2 x i7] %b, 0
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%r0 = insertvalue {i1, i7} undef, i1 %a1, 0
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%r1 = insertvalue {i1, i7} %r0, i7 %b0, 1
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ret {i1, i7} %r1
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}
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define void @custom_without_ret({i32, i1} %a, [2 x i7] %b) {
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; CHECK: define linkonce_odr void @"dfsw$custom_without_ret"({ i32, i1 } %0, [2 x i7] %1)
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; CHECK: [[B:%.*]] = load [2 x i[[#SBITS]]], ptr inttoptr (i64 add (i64 ptrtoint (ptr @__dfsan_arg_tls to i64), i64 [[#mul(2,SBYTES)]]) to ptr), align [[ALIGN:2]]
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; CHECK: [[A:%.*]] = load { i[[#SBITS]], i[[#SBITS]] }, ptr @__dfsan_arg_tls, align [[ALIGN]]
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; CHECK: [[A0:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 0
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; CHECK: [[A1:%.*]] = extractvalue { i[[#SBITS]], i[[#SBITS]] } [[A]], 1
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; CHECK: [[A01:%.*]] = or i[[#SBITS]] [[A0]], [[A1]]
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; CHECK: [[B0:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 0
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; CHECK: [[B1:%.*]] = extractvalue [2 x i[[#SBITS]]] [[B]], 1
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; CHECK: [[B01:%.*]] = or i[[#SBITS]] [[B0]], [[B1]]
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; CHECK: call void @__dfsw_custom_without_ret({ i32, i1 } %0, [2 x i7] %1, i[[#SBITS]] zeroext [[A01]], i[[#SBITS]] zeroext [[B01]])
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; CHECK: ret
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ret void
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}
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define void @custom_varg({i32, i1} %a, ...) {
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; CHECK: define linkonce_odr void @"dfsw$custom_varg"({ i32, i1 } %0, ...)
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; CHECK: call void @__dfsan_vararg_wrapper
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; CHECK: unreachable
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ret void
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}
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; CHECK: declare { i1, i7 } @__dfsw_custom_with_ret({ i32, i1 }, [2 x i7], i[[#SBITS]], i[[#SBITS]], ptr)
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; CHECK: declare void @__dfsw_custom_without_ret({ i32, i1 }, [2 x i7], i[[#SBITS]], i[[#SBITS]])
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; CHECK: declare void @__dfsw_custom_varg({ i32, i1 }, i[[#SBITS]], ptr, ...)
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; CHECK: declare { i1, i7 } @__dfsw_custom_cb(ptr, { i32, i1 }, [2 x i7], i[[#SBITS]], i[[#SBITS]], i[[#SBITS]], ptr)
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