forked from OSchip/llvm-project
[dfsan] Update atomics.ll test
Remove hard-coded shadow width references and remove irrelevant instructions. Reviewed By: stephan.yichao.zhao Differential Revision: https://reviews.llvm.org/D98376
This commit is contained in:
George Balatsouras
parent
8b7d3bed0f
commit
9e82027db8
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@ -1,323 +1,286 @@
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; RUN: opt < %s -dfsan -dfsan-fast-16-labels=true -S | FileCheck %s --check-prefix=CHECK
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; RUN: opt < %s -dfsan -dfsan-fast-16-labels=true -S | FileCheck %s --check-prefixes=CHECK,CHECK16
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;
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; The patterns about origins cannot be tested until the origin tracking feature is complete.
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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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; atomicrmw xchg: store clean shadow/origin, return clean shadow/origin
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; CHECK: @__dfsan_arg_tls = external thread_local(initialexec) global [[TLS_ARR:\[100 x i64\]]]
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; CHECK: @__dfsan_retval_tls = external thread_local(initialexec) global [[TLS_ARR]]
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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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define i32 @AtomicRmwXchg(i32* %p, i32 %x) {
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entry:
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; COMM: atomicrmw xchg: store clean shadow/origin, return clean shadow/origin
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; CHECK-LABEL: @"dfs$AtomicRmwXchg"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
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; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
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; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
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; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
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; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
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; CHECK-NEXT: atomicrmw xchg i32* %p, i32 %x seq_cst
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; CHECK-NEXT: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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%0 = atomicrmw xchg i32* %p, i32 %x seq_cst
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ret i32 %0
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}
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; CHECK-LABEL: @"dfs$AtomicRmwXchg"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
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; CHECK-NEXT: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
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; CHECK-NEXT: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
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; CHECK-NEXT: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
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; CHECK-NEXT: store i64 0, i64* [[SHADOW_PTR64]], align 2
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; CHECK-NEXT: atomicrmw xchg i32* %p, i32 %x seq_cst
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; CHECK-NEXT: store i16 0, i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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; atomicrmw max: exactly the same as above
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define i32 @AtomicRmwMax(i32* %p, i32 %x) {
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; COMM: atomicrmw max: exactly the same as above
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; CHECK-LABEL: @"dfs$AtomicRmwMax"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
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; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
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; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
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; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
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; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
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; CHECK-NEXT: atomicrmw max i32* %p, i32 %x seq_cst
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; CHECK-NEXT: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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entry:
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%0 = atomicrmw max i32* %p, i32 %x seq_cst
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ret i32 %0
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}
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; CHECK-LABEL: @"dfs$AtomicRmwMax"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
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; CHECK-NEXT: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
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; CHECK-NEXT: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
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; CHECK-NEXT: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
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; CHECK-NEXT: store i64 0, i64* [[SHADOW_PTR64]], align 2
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; CHECK-NEXT: atomicrmw max i32* %p, i32 %x seq_cst
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; CHECK-NEXT: store i16 0, i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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; cmpxchg: store clean shadow/origin, return clean shadow/origin
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define i32 @Cmpxchg(i32* %p, i32 %a, i32 %b) {
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; COMM: cmpxchg: store clean shadow/origin, return clean shadow/origin
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; CHECK-LABEL: @"dfs$Cmpxchg"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
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; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
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; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
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; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
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; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
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; CHECK-NEXT: %pair = cmpxchg i32* %p, i32 %a, i32 %b seq_cst seq_cst
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; CHECK: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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entry:
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%pair = cmpxchg i32* %p, i32 %a, i32 %b seq_cst seq_cst
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%0 = extractvalue { i32, i1 } %pair, 0
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ret i32 %0
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}
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; CHECK-LABEL: @"dfs$Cmpxchg"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
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; CHECK-NEXT: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
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; CHECK-NEXT: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
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; CHECK-NEXT: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
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; CHECK-NEXT: store i64 0, i64* [[SHADOW_PTR64]], align 2
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; CHECK-NEXT: %pair = cmpxchg i32* %p, i32 %a, i32 %b seq_cst seq_cst
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; CHECK: store i16 0, i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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; relaxed cmpxchg: bump up to "release monotonic"
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define i32 @CmpxchgMonotonic(i32* %p, i32 %a, i32 %b) {
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; COMM: relaxed cmpxchg: bump up to "release monotonic"
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; CHECK-LABEL: @"dfs$CmpxchgMonotonic"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
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; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
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; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
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; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
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; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
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; CHECK-NEXT: %pair = cmpxchg i32* %p, i32 %a, i32 %b release monotonic
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; CHECK: store i[[#SBITS]] 0, i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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entry:
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%pair = cmpxchg i32* %p, i32 %a, i32 %b monotonic monotonic
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%0 = extractvalue { i32, i1 } %pair, 0
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ret i32 %0
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}
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; CHECK-LABEL: @"dfs$CmpxchgMonotonic"
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; CHECK-NOT: @__dfsan_arg_origin_tls
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; CHECK-NOT: @__dfsan_arg_tls
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; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
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; CHECK-NEXT: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
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; CHECK-NEXT: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
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; CHECK-NEXT: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
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; CHECK-NEXT: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
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; CHECK-NEXT: store i64 0, i64* [[SHADOW_PTR64]], align 2
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; CHECK-NEXT: %pair = cmpxchg i32* %p, i32 %a, i32 %b release monotonic
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; CHECK: store i16 0, i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
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; CHECK_ORIGIN-NEXT: store i32 0, i32* @__dfsan_retval_origin_tls, align 4
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; CHECK-NEXT: ret i32
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; atomic load: load shadow value after app value
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define i32 @AtomicLoad(i32* %p) {
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; COMM: atomic load: load shadow value after app value
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; CHECK-LABEL: @"dfs$AtomicLoad"
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; CHECK_ORIGIN: %[[#PO:]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
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; CHECK: %[[#PS:]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align 2
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; CHECK: %a = load atomic i32, i32* %p seq_cst, align 16
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; CHECK: %[[#SHADOW_PTR:]] = inttoptr i64 {{.*}} to i[[#SBITS]]*
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; CHECK_ORIGIN: %[[#ORIGIN_PTR:]] = inttoptr i64 {{.*}} to i32*
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; CHECK_ORIGIN: %[[#AO:]] = load i32, i32* %[[#ORIGIN_PTR]], align 16
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; CHECK: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
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; CHECK: load i[[#NUM_BITS]], i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
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; CHECK: %[[#AP_S:]] = or i[[#SBITS]] {{.*}}, %[[#PS]]
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; CHECK_ORIGIN: %[[#PS_NZ:]] = icmp ne i[[#SBITS]] %[[#PS]], 0
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; CHECK_ORIGIN: %[[#AP_O:]] = select i1 %[[#PS_NZ]], i32 %[[#PO]], i32 %[[#AO]]
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; CHECK: store i[[#SBITS]] %[[#AP_S]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
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; CHECK_ORIGIN: store i32 %[[#AP_O]], i32* @__dfsan_retval_origin_tls, align 4
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; CHECK: ret i32 %a
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entry:
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%a = load atomic i32, i32* %p seq_cst, align 16
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ret i32 %a
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}
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; CHECK-LABEL: @"dfs$AtomicLoad"
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; CHECK_ORIGIN: [[PO:%.*]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
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; CHECK: [[PS:%.*]] = load i16, i16* bitcast ([100 x i64]* @__dfsan_arg_tls to i16*), align 2
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; CHECK: %a = load atomic i32, i32* %p seq_cst, align 16
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; CHECK: [[INTP:%.*]] = ptrtoint {{.*}} %p to i64
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; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
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; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
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; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
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; CHECK_ORIGIN: [[ORIGIN_ADDR:%.*]] = add i64 [[OFFSET]], 35184372088832
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; CHECK_ORIGIN: [[ORIGIN_PTR:%.*]] = inttoptr i64 [[ORIGIN_ADDR]] to i32*
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; CHECK_ORIGIN: [[AO:%.*]] = load i32, i32* [[ORIGIN_PTR]], align 16
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; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
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; CHECK: [[SHADOW64:%.*]] = load i64, i64* [[SHADOW_PTR64]], align 2
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; CHECK: [[SHADOW64_H32:%.*]] = lshr i64 [[SHADOW64]], 32
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; CHECK: [[SHADOW64_HL32:%.*]] = or i64 [[SHADOW64]], [[SHADOW64_H32]]
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; CHECK: [[SHADOW64_HL32_H16:%.*]] = lshr i64 [[SHADOW64_HL32]], 16
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; CHECK: [[SHADOW64_HL32_HL16:%.*]] = or i64 [[SHADOW64_HL32]], [[SHADOW64_HL32_H16]]
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; CHECK: [[AS:%.*]] = trunc i64 [[SHADOW64_HL32_HL16]] to i16
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; CHECK: [[AP_S:%.*]] = or i16 [[AS]], [[PS]]
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; CHECK_ORIGIN: [[PS_NZ:%.*]] = icmp ne i16 [[PS]], 0
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; CHECK_ORIGIN: [[AP_O:%.*]] = select i1 [[PS_NZ]], i32 [[PO]], i32 [[AO]]
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; CHECK: store i16 [[AP_S]], i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
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; CHECK_ORIGIN: store i32 [[AP_O]], i32* @__dfsan_retval_origin_tls, align 4
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; CHECK: ret i32 %a
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; atomic load: load shadow value after app value
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define i32 @AtomicLoadAcquire(i32* %p) {
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; COMM: atomic load: load shadow value after app value
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; CHECK-LABEL: @"dfs$AtomicLoadAcquire"
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; CHECK_ORIGIN: %[[#PO:]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
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; CHECK: %[[#PS:]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align 2
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; CHECK: %a = load atomic i32, i32* %p acquire, align 16
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; CHECK: %[[#SHADOW_PTR:]] = inttoptr i64 {{.*}} to i[[#SBITS]]*
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; CHECK_ORIGIN: %[[#ORIGIN_PTR:]] = inttoptr i64 {{.*}} to i32*
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; CHECK_ORIGIN: %[[#AO:]] = load i32, i32* %[[#ORIGIN_PTR]], align 16
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; CHECK: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
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; CHECK: load i[[#NUM_BITS]], i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
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; CHECK: %[[#AP_S:]] = or i[[#SBITS]] {{.*}}, %[[#PS]]
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; CHECK_ORIGIN: %[[#PS_NZ:]] = icmp ne i[[#SBITS]] %[[#PS]], 0
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; CHECK_ORIGIN: %[[#AP_O:]] = select i1 %[[#PS_NZ]], i32 %[[#PO]], i32 %[[#AO]]
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; CHECK: store i[[#SBITS]] %[[#AP_S]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
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; CHECK_ORIGIN: store i32 %[[#AP_O]], i32* @__dfsan_retval_origin_tls, align 4
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; CHECK: ret i32 %a
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entry:
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%a = load atomic i32, i32* %p acquire, align 16
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ret i32 %a
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}
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; CHECK-LABEL: @"dfs$AtomicLoadAcquire"
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; CHECK_ORIGIN: [[PO:%.*]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
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; CHECK: [[PS:%.*]] = load i16, i16* bitcast ([100 x i64]* @__dfsan_arg_tls to i16*), align 2
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; CHECK: %a = load atomic i32, i32* %p acquire, align 16
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; CHECK: [[INTP:%.*]] = ptrtoint {{.*}} %p to i64
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; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
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; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
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; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
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; CHECK_ORIGIN: [[ORIGIN_ADDR:%.*]] = add i64 [[OFFSET]], 35184372088832
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; CHECK_ORIGIN: [[ORIGIN_PTR:%.*]] = inttoptr i64 [[ORIGIN_ADDR]] to i32*
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; CHECK_ORIGIN: [[AO:%.*]] = load i32, i32* [[ORIGIN_PTR]], align 16
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; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
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; CHECK: [[SHADOW64:%.*]] = load i64, i64* [[SHADOW_PTR64]], align 2
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; CHECK: [[SHADOW64_H32:%.*]] = lshr i64 [[SHADOW64]], 32
|
||||
; CHECK: [[SHADOW64_HL32:%.*]] = or i64 [[SHADOW64]], [[SHADOW64_H32]]
|
||||
; CHECK: [[SHADOW64_HL32_H16:%.*]] = lshr i64 [[SHADOW64_HL32]], 16
|
||||
; CHECK: [[SHADOW64_HL32_HL16:%.*]] = or i64 [[SHADOW64_HL32]], [[SHADOW64_HL32_H16]]
|
||||
; CHECK: [[AS:%.*]] = trunc i64 [[SHADOW64_HL32_HL16]] to i16
|
||||
; CHECK: [[AP_S:%.*]] = or i16 [[AS]], [[PS]]
|
||||
; CHECK_ORIGIN: [[PS_NZ:%.*]] = icmp ne i16 [[PS]], 0
|
||||
; CHECK_ORIGIN: [[AP_O:%.*]] = select i1 [[PS_NZ]], i32 [[PO]], i32 [[AO]]
|
||||
; CHECK: store i16 [[AP_S]], i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
|
||||
; CHECK_ORIGIN: store i32 [[AP_O]], i32* @__dfsan_retval_origin_tls, align 4
|
||||
; CHECK: ret i32 %a
|
||||
|
||||
|
||||
; atomic load monotonic: bump up to load acquire
|
||||
|
||||
define i32 @AtomicLoadMonotonic(i32* %p) {
|
||||
; COMM: atomic load monotonic: bump up to load acquire
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicLoadMonotonic"
|
||||
; CHECK_ORIGIN: %[[#PO:]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
|
||||
; CHECK: %[[#PS:]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align 2
|
||||
; CHECK: %a = load atomic i32, i32* %p acquire, align 16
|
||||
; CHECK: %[[#SHADOW_PTR:]] = inttoptr i64 {{.*}} to i[[#SBITS]]*
|
||||
; CHECK_ORIGIN: %[[#ORIGIN_PTR:]] = inttoptr i64 {{.*}} to i32*
|
||||
; CHECK_ORIGIN: %[[#AO:]] = load i32, i32* %[[#ORIGIN_PTR]], align 16
|
||||
; CHECK: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
|
||||
; CHECK: load i[[#NUM_BITS]], i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
|
||||
; CHECK: %[[#AP_S:]] = or i[[#SBITS]] {{.*}}, %[[#PS]]
|
||||
; CHECK_ORIGIN: %[[#PS_NZ:]] = icmp ne i[[#SBITS]] %[[#PS]], 0
|
||||
; CHECK_ORIGIN: %[[#AP_O:]] = select i1 %[[#PS_NZ]], i32 %[[#PO]], i32 %[[#AO]]
|
||||
; CHECK: store i[[#SBITS]] %[[#AP_S]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
|
||||
; CHECK_ORIGIN: store i32 %[[#AP_O]], i32* @__dfsan_retval_origin_tls, align 4
|
||||
; CHECK: ret i32 %a
|
||||
|
||||
entry:
|
||||
%a = load atomic i32, i32* %p monotonic, align 16
|
||||
ret i32 %a
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicLoadMonotonic"
|
||||
; CHECK_ORIGIN: [[PO:%.*]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
|
||||
; CHECK: [[PS:%.*]] = load i16, i16* bitcast ([100 x i64]* @__dfsan_arg_tls to i16*), align 2
|
||||
; CHECK: %a = load atomic i32, i32* %p acquire, align 16
|
||||
; CHECK: [[INTP:%.*]] = ptrtoint {{.*}} %p to i64
|
||||
; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
|
||||
; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
|
||||
; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
|
||||
; CHECK_ORIGIN: [[ORIGIN_ADDR:%.*]] = add i64 [[OFFSET]], 35184372088832
|
||||
; CHECK_ORIGIN: [[ORIGIN_PTR:%.*]] = inttoptr i64 [[ORIGIN_ADDR]] to i32*
|
||||
; CHECK_ORIGIN: [[AO:%.*]] = load i32, i32* [[ORIGIN_PTR]], align 16
|
||||
; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
|
||||
; CHECK: [[SHADOW64:%.*]] = load i64, i64* [[SHADOW_PTR64]], align 2
|
||||
; CHECK: [[SHADOW64_H32:%.*]] = lshr i64 [[SHADOW64]], 32
|
||||
; CHECK: [[SHADOW64_HL32:%.*]] = or i64 [[SHADOW64]], [[SHADOW64_H32]]
|
||||
; CHECK: [[SHADOW64_HL32_H16:%.*]] = lshr i64 [[SHADOW64_HL32]], 16
|
||||
; CHECK: [[SHADOW64_HL32_HL16:%.*]] = or i64 [[SHADOW64_HL32]], [[SHADOW64_HL32_H16]]
|
||||
; CHECK: [[AS:%.*]] = trunc i64 [[SHADOW64_HL32_HL16]] to i16
|
||||
; CHECK: [[AP_S:%.*]] = or i16 [[AS]], [[PS]]
|
||||
; CHECK_ORIGIN: [[PS_NZ:%.*]] = icmp ne i16 [[PS]], 0
|
||||
; CHECK_ORIGIN: [[AP_O:%.*]] = select i1 [[PS_NZ]], i32 [[PO]], i32 [[AO]]
|
||||
; CHECK: store i16 [[AP_S]], i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
|
||||
; CHECK_ORIGIN: store i32 [[AP_O]], i32* @__dfsan_retval_origin_tls, align 4
|
||||
; CHECK: ret i32 %a
|
||||
|
||||
|
||||
; atomic load unordered: bump up to load acquire
|
||||
|
||||
define i32 @AtomicLoadUnordered(i32* %p) {
|
||||
; COMM: atomic load unordered: bump up to load acquire
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicLoadUnordered"
|
||||
; CHECK_ORIGIN: %[[#PO:]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
|
||||
; CHECK: %[[#PS:]] = load i[[#SBITS]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_arg_tls to i[[#SBITS]]*), align 2
|
||||
; CHECK: %a = load atomic i32, i32* %p acquire, align 16
|
||||
; CHECK: %[[#SHADOW_PTR:]] = inttoptr i64 {{.*}} to i[[#SBITS]]*
|
||||
; CHECK_ORIGIN: %[[#ORIGIN_PTR:]] = inttoptr i64 {{.*}} to i32*
|
||||
; CHECK_ORIGIN: %[[#AO:]] = load i32, i32* %[[#ORIGIN_PTR]], align 16
|
||||
; CHECK: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
|
||||
; CHECK: load i[[#NUM_BITS]], i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
|
||||
; CHECK: %[[#AP_S:]] = or i[[#SBITS]] {{.*}}, %[[#PS]]
|
||||
; CHECK_ORIGIN: %[[#PS_NZ:]] = icmp ne i[[#SBITS]] %[[#PS]], 0
|
||||
; CHECK_ORIGIN: %[[#AP_O:]] = select i1 %[[#PS_NZ]], i32 %[[#PO]], i32 %[[#AO]]
|
||||
; CHECK: store i[[#SBITS]] %[[#AP_S]], i[[#SBITS]]* bitcast ([[TLS_ARR]]* @__dfsan_retval_tls to i[[#SBITS]]*), align 2
|
||||
; CHECK_ORIGIN: store i32 %[[#AP_O]], i32* @__dfsan_retval_origin_tls, align 4
|
||||
; CHECK: ret i32 %a
|
||||
|
||||
entry:
|
||||
%a = load atomic i32, i32* %p unordered, align 16
|
||||
ret i32 %a
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicLoadUnordered"
|
||||
; CHECK_ORIGIN: [[PO:%.*]] = load i32, i32* getelementptr inbounds ([200 x i32], [200 x i32]* @__dfsan_arg_origin_tls, i64 0, i64 0), align 4
|
||||
; CHECK: [[PS:%.*]] = load i16, i16* bitcast ([100 x i64]* @__dfsan_arg_tls to i16*), align 2
|
||||
; CHECK: %a = load atomic i32, i32* %p acquire, align 16
|
||||
; CHECK: [[INTP:%.*]] = ptrtoint {{.*}} %p to i64
|
||||
; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
|
||||
; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
|
||||
; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
|
||||
; CHECK_ORIGIN: [[ORIGIN_ADDR:%.*]] = add i64 [[OFFSET]], 35184372088832
|
||||
; CHECK_ORIGIN: [[ORIGIN_PTR:%.*]] = inttoptr i64 [[ORIGIN_ADDR]] to i32*
|
||||
; CHECK_ORIGIN: [[AO:%.*]] = load i32, i32* [[ORIGIN_PTR]], align 16
|
||||
; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
|
||||
; CHECK: [[SHADOW64:%.*]] = load i64, i64* [[SHADOW_PTR64]], align 2
|
||||
; CHECK: [[SHADOW64_H32:%.*]] = lshr i64 [[SHADOW64]], 32
|
||||
; CHECK: [[SHADOW64_HL32:%.*]] = or i64 [[SHADOW64]], [[SHADOW64_H32]]
|
||||
; CHECK: [[SHADOW64_HL32_H16:%.*]] = lshr i64 [[SHADOW64_HL32]], 16
|
||||
; CHECK: [[SHADOW64_HL32_HL16:%.*]] = or i64 [[SHADOW64_HL32]], [[SHADOW64_HL32_H16]]
|
||||
; CHECK: [[AS:%.*]] = trunc i64 [[SHADOW64_HL32_HL16]] to i16
|
||||
; CHECK: [[AP_S:%.*]] = or i16 [[AS]], [[PS]]
|
||||
; CHECK_ORIGIN: [[PS_NZ:%.*]] = icmp ne i16 [[PS]], 0
|
||||
; CHECK_ORIGIN: [[AP_O:%.*]] = select i1 [[PS_NZ]], i32 [[PO]], i32 [[AO]]
|
||||
; CHECK: store i16 [[AP_S]], i16* bitcast ([100 x i64]* @__dfsan_retval_tls to i16*), align 2
|
||||
; CHECK_ORIGIN: store i32 [[AP_O]], i32* @__dfsan_retval_origin_tls, align 4
|
||||
; CHECK: ret i32 %a
|
||||
|
||||
|
||||
; atomic store: store clean shadow value before app value
|
||||
|
||||
define void @AtomicStore(i32* %p, i32 %x) {
|
||||
; COMM: atomic store: store clean shadow value before app value
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStore"
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
|
||||
; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
|
||||
; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
|
||||
; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
|
||||
; CHECK: store atomic i32 %x, i32* %p seq_cst, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
entry:
|
||||
store atomic i32 %x, i32* %p seq_cst, align 16
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStore"
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
|
||||
; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
|
||||
; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
|
||||
; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
|
||||
; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
|
||||
; CHECK: store i64 0, i64* [[SHADOW_PTR64]], align 2
|
||||
; CHECK: store atomic i32 %x, i32* %p seq_cst, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
|
||||
; atomic store: store clean shadow value before app value
|
||||
|
||||
define void @AtomicStoreRelease(i32* %p, i32 %x) {
|
||||
; COMM: atomic store: store clean shadow value before app value
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStoreRelease"
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
|
||||
; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
|
||||
; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
|
||||
; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
|
||||
; CHECK: store atomic i32 %x, i32* %p release, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
entry:
|
||||
store atomic i32 %x, i32* %p release, align 16
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStoreRelease"
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
|
||||
; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
|
||||
; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
|
||||
; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
|
||||
; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
|
||||
; CHECK: store i64 0, i64* [[SHADOW_PTR64]], align 2
|
||||
; CHECK: store atomic i32 %x, i32* %p release, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
|
||||
; atomic store monotonic: bumped up to store release
|
||||
|
||||
define void @AtomicStoreMonotonic(i32* %p, i32 %x) {
|
||||
; COMM: atomic store monotonic: bumped up to store release
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStoreMonotonic"
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
|
||||
; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
|
||||
; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
|
||||
; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
|
||||
; CHECK: store atomic i32 %x, i32* %p release, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
entry:
|
||||
store atomic i32 %x, i32* %p monotonic, align 16
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStoreMonotonic"
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
|
||||
; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
|
||||
; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
|
||||
; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
|
||||
; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
|
||||
; CHECK: store i64 0, i64* [[SHADOW_PTR64]], align 2
|
||||
; CHECK: store atomic i32 %x, i32* %p release, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
|
||||
; atomic store unordered: bumped up to store release
|
||||
|
||||
define void @AtomicStoreUnordered(i32* %p, i32 %x) {
|
||||
; COMM: atomic store unordered: bumped up to store release
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStoreUnordered"
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: %[[#INTP:]] = ptrtoint i32* %p to i64
|
||||
; CHECK-NEXT: %[[#SHADOW_ADDR:INTP+1]] = and i64 %[[#INTP]], [[#%.10d,MASK:]]
|
||||
; CHECK16-NEXT: %[[#SHADOW_ADDR:INTP+2]] = mul i64 %[[#INTP+1]], 2
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR:]] = inttoptr i64 %[[#SHADOW_ADDR]] to i[[#SBITS]]*
|
||||
; CHECK-NEXT: %[[#SHADOW_PTR64:]] = bitcast i[[#SBITS]]* %[[#SHADOW_PTR]] to i[[#NUM_BITS:mul(SBITS,4)]]*
|
||||
; CHECK-NEXT: store i[[#NUM_BITS]] 0, i[[#NUM_BITS]]* %[[#SHADOW_PTR64]], align [[#SBYTES]]
|
||||
; CHECK: store atomic i32 %x, i32* %p release, align 16
|
||||
; CHECK: ret void
|
||||
|
||||
entry:
|
||||
store atomic i32 %x, i32* %p unordered, align 16
|
||||
ret void
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @"dfs$AtomicStoreUnordered"
|
||||
; CHECK-NOT: @__dfsan_arg_tls
|
||||
; CHECK-NOT: @__dfsan_arg_origin_tls
|
||||
; CHECK_ORIGIN-NOT: 35184372088832
|
||||
; CHECK: [[INTP:%.*]] = ptrtoint i32* %p to i64
|
||||
; CHECK: [[OFFSET:%.*]] = and i64 [[INTP]], -123145302310913
|
||||
; CHECK: [[SHADOW_ADDR:%.*]] = mul i64 [[OFFSET]], 2
|
||||
; CHECK: [[SHADOW_PTR:%.*]] = inttoptr i64 [[SHADOW_ADDR]] to i16*
|
||||
; CHECK: [[SHADOW_PTR64:%.*]] = bitcast i16* [[SHADOW_PTR]] to i64*
|
||||
; CHECK: store i64 0, i64* [[SHADOW_PTR64]], align 2
|
||||
; CHECK: store atomic i32 %x, i32* %p release, align 16
|
||||
; CHECK: ret void
|
||||
|
|
|
|||
Loading…
Reference in New Issue