derek.holloway
7502bf64a4
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108 lines
4.5 KiB
LLVM
108 lines
4.5 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -passes=instcombine -S | FileCheck %s
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define i64 @cmpxchg_0(ptr %ptr, i64 %compare, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_0(
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] seq_cst seq_cst, align 8
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; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 0
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; CHECK-NEXT: ret i64 [[T2]]
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;
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%t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value seq_cst seq_cst
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = select i1 %t1, i64 %compare, i64 %t2
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ret i64 %t3
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}
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define i64 @cmpxchg_1(ptr %ptr, i64 %compare, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_1(
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] seq_cst seq_cst, align 8
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; CHECK-NEXT: ret i64 [[COMPARE]]
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;
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%t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value seq_cst seq_cst
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = select i1 %t1, i64 %t2, i64 %compare
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ret i64 %t3
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}
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define i64 @cmpxchg_2(ptr %ptr, i64 %compare, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_2(
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[COMPARE:%.*]], i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 8
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; CHECK-NEXT: ret i64 [[COMPARE]]
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;
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%t0 = cmpxchg ptr %ptr, i64 %compare, i64 %new_value acq_rel monotonic
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = select i1 %t1, i64 %compare, i64 %t2
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%t4 = select i1 %t1, i64 %t3, i64 %compare
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ret i64 %t4
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}
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define double @cmpxchg_fp(ptr %ptr, double %compare, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_fp(
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; CHECK-NEXT: [[BC:%.*]] = bitcast double [[COMPARE:%.*]] to i64
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[BC]], i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 8
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; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 0
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; CHECK-NEXT: [[T3:%.*]] = bitcast i64 [[T2]] to double
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; CHECK-NEXT: ret double [[T3]]
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;
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%bc = bitcast double %compare to i64
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%t0 = cmpxchg ptr %ptr, i64 %bc, i64 %new_value acq_rel monotonic
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = bitcast i64 %t2 to double
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%t4 = select i1 %t1, double %compare, double %t3
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ret double %t4
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}
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define double @cmpxchg_fp_const(ptr %ptr, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_fp_const(
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 0, i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 8
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; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 0
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; CHECK-NEXT: [[T3:%.*]] = bitcast i64 [[T2]] to double
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; CHECK-NEXT: ret double [[T3]]
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;
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%t0 = cmpxchg ptr %ptr, i64 0, i64 %new_value acq_rel monotonic
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = bitcast i64 %t2 to double
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%t4 = select i1 %t1, double 0., double %t3
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ret double %t4
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}
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define <2 x i32> @cmpxchg_v2i32(ptr %ptr, <2 x i32> %compare, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_v2i32(
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; CHECK-NEXT: [[BC:%.*]] = bitcast <2 x i32> [[COMPARE:%.*]] to i64
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 [[BC]], i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 8
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; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 0
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; CHECK-NEXT: [[T3:%.*]] = bitcast i64 [[T2]] to <2 x i32>
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; CHECK-NEXT: ret <2 x i32> [[T3]]
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;
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%bc = bitcast <2 x i32> %compare to i64
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%t0 = cmpxchg ptr %ptr, i64 %bc, i64 %new_value acq_rel monotonic
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = bitcast i64 %t2 to <2 x i32>
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%t4 = select i1 %t1, <2 x i32> %compare, <2 x i32> %t3
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ret <2 x i32> %t4
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}
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; Currently not supported.
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define <2 x i32> @cmpxchg_v2i32_const(ptr %ptr, i64 %new_value) {
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; CHECK-LABEL: @cmpxchg_v2i32_const(
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; CHECK-NEXT: [[T0:%.*]] = cmpxchg ptr [[PTR:%.*]], i64 0, i64 [[NEW_VALUE:%.*]] acq_rel monotonic, align 8
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; CHECK-NEXT: [[T1:%.*]] = extractvalue { i64, i1 } [[T0]], 1
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; CHECK-NEXT: [[T2:%.*]] = extractvalue { i64, i1 } [[T0]], 0
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; CHECK-NEXT: [[T3:%.*]] = bitcast i64 [[T2]] to <2 x i32>
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; CHECK-NEXT: [[T4:%.*]] = select i1 [[T1]], <2 x i32> zeroinitializer, <2 x i32> [[T3]]
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; CHECK-NEXT: ret <2 x i32> [[T4]]
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;
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%t0 = cmpxchg ptr %ptr, i64 0, i64 %new_value acq_rel monotonic
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%t1 = extractvalue { i64, i1 } %t0, 1
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%t2 = extractvalue { i64, i1 } %t0, 0
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%t3 = bitcast i64 %t2 to <2 x i32>
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%t4 = select i1 %t1, <2 x i32> <i32 0, i32 0>, <2 x i32> %t3
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ret <2 x i32> %t4
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}
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