52 lines
1.8 KiB
LLVM
52 lines
1.8 KiB
LLVM
; RUN: opt < %s -tsan -S | FileCheck %s
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; Check that atomic memory operations on floating-point types are converted to calls into ThreadSanitizer runtime.
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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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define float @load_float(float* %fptr) {
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%v = load atomic float, float* %fptr unordered, align 4
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ret float %v
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; CHECK-LABEL: load_float
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; CHECK: call i32 @__tsan_atomic32_load(i32* %{{.+}}, i32 0)
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; CHECK: bitcast i32 {{.+}} to float
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}
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define double @load_double(double* %fptr) {
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%v = load atomic double, double* %fptr unordered, align 8
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ret double %v
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; CHECK-LABEL: load_double
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; CHECK: call i64 @__tsan_atomic64_load(i64* %{{.+}}, i32 0)
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; CHECK: bitcast i64 {{.+}} to double
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}
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define fp128 @load_fp128(fp128* %fptr) {
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%v = load atomic fp128, fp128* %fptr unordered, align 16
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ret fp128 %v
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; CHECK-LABEL: load_fp128
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; CHECK: call i128 @__tsan_atomic128_load(i128* %{{.+}}, i32 0)
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; CHECK: bitcast i128 {{.+}} to fp128
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}
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define void @store_float(float* %fptr, float %v) {
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store atomic float %v, float* %fptr unordered, align 4
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ret void
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; CHECK-LABEL: store_float
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; CHECK: bitcast float %v to i32
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; CHECK: call void @__tsan_atomic32_store(i32* %{{.+}}, i32 %{{.+}}, i32 0)
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}
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define void @store_double(double* %fptr, double %v) {
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store atomic double %v, double* %fptr unordered, align 8
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ret void
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; CHECK-LABEL: store_double
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; CHECK: bitcast double %v to i64
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; CHECK: call void @__tsan_atomic64_store(i64* %{{.+}}, i64 %{{.+}}, i32 0)
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}
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define void @store_fp128(fp128* %fptr, fp128 %v) {
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store atomic fp128 %v, fp128* %fptr unordered, align 16
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ret void
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; CHECK-LABEL: store_fp128
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; CHECK: bitcast fp128 %v to i128
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; CHECK: call void @__tsan_atomic128_store(i128* %{{.+}}, i128 %{{.+}}, i32 0)
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}
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