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101 lines
4.2 KiB
LLVM
101 lines
4.2 KiB
LLVM
; RUN: opt < %s -dfsan -dfsan-args-abi -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: i32 @discard(i32 %a, i32 %b)
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define i32 @discard(i32 %a, i32 %b) {
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ret i32 0
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}
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; CHECK: i32 @functional(i32 %a, i32 %b)
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define i32 @functional(i32 %a, i32 %b) {
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%c = add i32 %a, %b
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ret i32 %c
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}
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; CHECK: define i32 (i32, i32)* @discardg(i32)
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; CHECK: %[[CALL:.*]] = call { i32 (i32, i32)*, i16 } @"dfs$g"(i32 %0, i16 0)
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; CHECK: %[[XVAL:.*]] = extractvalue { i32 (i32, i32)*, i16 } %[[CALL]], 0
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; CHECK: ret {{.*}} %[[XVAL]]
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@discardg = alias i32 (i32, i32)* (i32), i32 (i32, i32)* (i32)* @g
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declare void @custom1(i32 %a, i32 %b)
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; CHECK: define linkonce_odr { i32, i16 } @"dfsw$custom2"(i32, i32, i16, i16)
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; CHECK: %[[LABELRETURN2:.*]] = alloca i16
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; CHECK: %[[RV:.*]] = call i32 @__dfsw_custom2
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; CHECK: %[[RVSHADOW:.*]] = load i16, i16* %[[LABELRETURN2]]
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; CHECK: insertvalue {{.*}}[[RV]], 0
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; CHECK: insertvalue {{.*}}[[RVSHADOW]], 1
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; CHECK: ret { i32, i16 }
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declare i32 @custom2(i32 %a, i32 %b)
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; CHECK: define linkonce_odr void @"dfsw$custom3"(i32, i16, i16*, ...)
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; CHECK: call void @__dfsan_vararg_wrapper(i8*
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; CHECK: unreachable
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declare void @custom3(i32 %a, ...)
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declare i32 @custom4(i32 %a, ...)
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declare void @customcb(i32 (i32)* %cb)
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declare i32 @cb(i32)
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; CHECK: @"dfs$f"
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define void @f(i32 %x) {
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; CHECK: %[[LABELVA2:.*]] = alloca [2 x i16]
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; CHECK: %[[LABELVA1:.*]] = alloca [2 x i16]
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; CHECK: %[[LABELRETURN:.*]] = alloca i16
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; CHECK: call void @__dfsw_custom1(i32 1, i32 2, i16 zeroext 0, i16 zeroext 0)
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call void @custom1(i32 1, i32 2)
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; CHECK: call i32 @__dfsw_custom2(i32 1, i32 2, i16 zeroext 0, i16 zeroext 0, i16* %[[LABELRETURN]])
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call i32 @custom2(i32 1, i32 2)
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; CHECK: call void @__dfsw_customcb({{.*}} @"dfst0$customcb", i8* bitcast ({{.*}} @"dfs$cb" to i8*), i16 zeroext 0)
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call void @customcb(i32 (i32)* @cb)
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; CHECK: %[[LABELVA1_0:.*]] = getelementptr inbounds [2 x i16], [2 x i16]* %[[LABELVA1]], i32 0, i32 0
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; CHECK: store i16 0, i16* %[[LABELVA1_0]]
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; CHECK: %[[LABELVA1_1:.*]] = getelementptr inbounds [2 x i16], [2 x i16]* %[[LABELVA1]], i32 0, i32 1
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; CHECK: store i16 %{{.*}}, i16* %[[LABELVA1_1]]
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; CHECK: %[[LABELVA1_0A:.*]] = getelementptr inbounds [2 x i16], [2 x i16]* %[[LABELVA1]], i32 0, i32 0
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; CHECK: call void (i32, i16, i16*, ...) @__dfsw_custom3(i32 1, i16 zeroext 0, i16* %[[LABELVA1_0A]], i32 2, i32 %{{.*}})
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call void (i32, ...) @custom3(i32 1, i32 2, i32 %x)
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; CHECK: %[[LABELVA2_0:.*]] = getelementptr inbounds [2 x i16], [2 x i16]* %[[LABELVA2]], i32 0, i32 0
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; CHECK: %[[LABELVA2_0A:.*]] = getelementptr inbounds [2 x i16], [2 x i16]* %[[LABELVA2]], i32 0, i32 0
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; CHECK: call i32 (i32, i16, i16*, i16*, ...) @__dfsw_custom4(i32 1, i16 zeroext 0, i16* %[[LABELVA2_0A]], i16* %[[LABELRETURN]], i32 2, i32 3)
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call i32 (i32, ...) @custom4(i32 1, i32 2, i32 3)
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ret void
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}
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; CHECK: @"dfs$g"
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define i32 (i32, i32)* @g(i32) {
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; CHECK: ret {{.*}} @"dfsw$custom2"
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ret i32 (i32, i32)* @custom2
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}
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; CHECK: define { i32, i16 } @"dfs$adiscard"(i32, i32, i16, i16)
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; CHECK: %[[CALL:.*]] = call i32 @discard(i32 %0, i32 %1)
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; CHECK: %[[IVAL0:.*]] = insertvalue { i32, i16 } undef, i32 %[[CALL]], 0
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; CHECK: %[[IVAL1:.*]] = insertvalue { i32, i16 } %[[IVAL0]], i16 0, 1
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; CHECK: ret { i32, i16 } %[[IVAL1]]
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@adiscard = alias i32 (i32, i32), i32 (i32, i32)* @discard
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; CHECK: declare void @__dfsw_custom1(i32, i32, i16, i16)
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; CHECK: declare i32 @__dfsw_custom2(i32, i32, i16, i16, i16*)
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; CHECK-LABEL: define linkonce_odr i32 @"dfst0$customcb"(i32 (i32)*, i32, i16, i16*)
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; CHECK: %[[BC:.*]] = bitcast i32 (i32)* %0 to { i32, i16 } (i32, i16)*
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; CHECK: %[[CALL:.*]] = call { i32, i16 } %[[BC]](i32 %1, i16 %2)
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; CHECK: %[[XVAL0:.*]] = extractvalue { i32, i16 } %[[CALL]], 0
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; CHECK: %[[XVAL1:.*]] = extractvalue { i32, i16 } %[[CALL]], 1
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; CHECK: store i16 %[[XVAL1]], i16* %3
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; CHECK: ret i32 %[[XVAL0]]
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; CHECK: declare void @__dfsw_custom3(i32, i16, i16*, ...)
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; CHECK: declare i32 @__dfsw_custom4(i32, i16, i16*, i16*, ...)
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