99 lines
3.8 KiB
LLVM
99 lines
3.8 KiB
LLVM
; RUN: opt < %s -passes=dfsan -dfsan-abilist=%S/Inputs/abilist.txt -S | FileCheck -enable-var-scope %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: 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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@discardg = alias ptr (i32), ptr @g
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declare void @custom1(i32 %a, i32 %b)
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declare i32 @custom2(i32 %a, i32 %b)
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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(ptr %cb)
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declare i32 @cb(i32)
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; CHECK: @f.dfsan
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define void @f(i32 %x) {
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; CHECK: %[[LABELVA2:.*]] = alloca [2 x i[[#SBITS]]]
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; CHECK: %[[LABELVA1:.*]] = alloca [2 x i[[#SBITS]]]
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; CHECK: %[[LABELRETURN:.*]] = alloca i[[#SBITS]]
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; CHECK: call void @__dfsw_custom1(i32 1, i32 2, i[[#SBITS]] zeroext 0, i[[#SBITS]] 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, i[[#SBITS]] zeroext 0, i[[#SBITS]] zeroext 0, ptr %[[LABELRETURN]])
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call i32 @custom2(i32 1, i32 2)
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; CHECK: call void @__dfsw_customcb({{.*}} @cb.dfsan, i[[#SBITS]] zeroext 0)
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call void @customcb(ptr @cb)
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; CHECK: %[[LABELVA1_0:.*]] = getelementptr inbounds [2 x i[[#SBITS]]], ptr %[[LABELVA1]], i32 0, i32 0
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; CHECK: store i[[#SBITS]] 0, ptr %[[LABELVA1_0]]
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; CHECK: %[[LABELVA1_1:.*]] = getelementptr inbounds [2 x i[[#SBITS]]], ptr %[[LABELVA1]], i32 0, i32 1
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; CHECK: store i[[#SBITS]] %{{.*}}, ptr %[[LABELVA1_1]]
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; CHECK: %[[LABELVA1_0A:.*]] = getelementptr inbounds [2 x i[[#SBITS]]], ptr %[[LABELVA1]], i32 0, i32 0
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; CHECK: call void (i32, i[[#SBITS]], ptr, ...) @__dfsw_custom3(i32 1, i[[#SBITS]] zeroext 0, ptr %[[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 i[[#SBITS]]], ptr %[[LABELVA2]], i32 0, i32 0
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; CHECK: %[[LABELVA2_0A:.*]] = getelementptr inbounds [2 x i[[#SBITS]]], ptr %[[LABELVA2]], i32 0, i32 0
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; CHECK: call i32 (i32, i[[#SBITS]], ptr, ptr, ...) @__dfsw_custom4(i32 1, i[[#SBITS]] zeroext 0, ptr %[[LABELVA2_0A]], ptr %[[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: @g.dfsan
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define ptr @g(i32) {
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; CHECK: ret {{.*}} @"dfsw$custom2"
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ret ptr @custom2
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}
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; CHECK: define ptr @discardg(i32 %0)
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; CHECK: %[[CALL:.*]] = call ptr @g.dfsan(i32 %0)
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; CHECK: load {{.*}} @__dfsan_retval_tls
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; CHECK: ret {{.*}}
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; CHECK: define i32 @adiscard.dfsan(i32 %0, i32 %1)
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; CHECK: %[[CALL:.*]] = call i32 @discard(i32 %0, i32 %1)
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; CHECK: ret i32
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@adiscard = alias i32 (i32, i32), ptr @discard
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; CHECK: define linkonce_odr i32 @"dfsw$custom2"(i32 %0, i32 %1)
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; CHECK: %[[LABELRETURN2:.*]] = alloca i[[#SBITS]]
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; CHECK: %[[RV:.*]] = call i32 @__dfsw_custom2(i32 {{.*}}, i32 {{.*}}, i[[#SBITS]] {{.*}}, i[[#SBITS]] {{.*}}, ptr %[[LABELRETURN2]])
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; CHECK: %[[RVSHADOW:.*]] = load i[[#SBITS]], ptr %[[LABELRETURN2]]
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; CHECK: store {{.*}} @__dfsan_retval_tls
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; CHECK: ret i32
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; CHECK: define linkonce_odr void @"dfsw$custom3"(i32 %0, ...)
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; CHECK: call void @__dfsan_vararg_wrapper(ptr
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; CHECK: unreachable
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; CHECK: define linkonce_odr i32 @"dfsw$custom4"(i32 %0, ...)
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; CHECK: declare void @__dfsw_custom1(i32, i32, i[[#SBITS]], i[[#SBITS]])
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; CHECK: declare i32 @__dfsw_custom2(i32, i32, i[[#SBITS]], i[[#SBITS]], ptr)
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; CHECK: declare void @__dfsw_custom3(i32, i[[#SBITS]], ptr, ...)
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; CHECK: declare i32 @__dfsw_custom4(i32, i[[#SBITS]], ptr, ptr, ...)
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