1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
2; RUN: opt -S -mtriple=i686-linux-gnu -atomic-expand %s | FileCheck %s
3
4define double @atomic_xchg_f64(double* %ptr) nounwind {
5; CHECK-LABEL: @atomic_xchg_f64(
6; CHECK-NEXT:    [[TMP1:%.*]] = load double, double* [[PTR:%.*]], align 8
7; CHECK-NEXT:    br label [[ATOMICRMW_START:%.*]]
8; CHECK:       atomicrmw.start:
9; CHECK-NEXT:    [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP5:%.*]], [[ATOMICRMW_START]] ]
10; CHECK-NEXT:    [[TMP2:%.*]] = bitcast double* [[PTR]] to i64*
11; CHECK-NEXT:    [[TMP3:%.*]] = bitcast double [[LOADED]] to i64
12; CHECK-NEXT:    [[TMP4:%.*]] = cmpxchg i64* [[TMP2]], i64 [[TMP3]], i64 4616189618054758400 seq_cst seq_cst
13; CHECK-NEXT:    [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP4]], 1
14; CHECK-NEXT:    [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP4]], 0
15; CHECK-NEXT:    [[TMP5]] = bitcast i64 [[NEWLOADED]] to double
16; CHECK-NEXT:    br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
17; CHECK:       atomicrmw.end:
18; CHECK-NEXT:    ret double [[TMP5]]
19;
20  %result = atomicrmw xchg double* %ptr, double 4.0 seq_cst
21  ret double %result
22}
23
24define double @atomic_xchg_f64_as1(double addrspace(1)* %ptr) nounwind {
25; CHECK-LABEL: @atomic_xchg_f64_as1(
26; CHECK-NEXT:    [[TMP1:%.*]] = load double, double addrspace(1)* [[PTR:%.*]], align 8
27; CHECK-NEXT:    br label [[ATOMICRMW_START:%.*]]
28; CHECK:       atomicrmw.start:
29; CHECK-NEXT:    [[LOADED:%.*]] = phi double [ [[TMP1]], [[TMP0:%.*]] ], [ [[TMP5:%.*]], [[ATOMICRMW_START]] ]
30; CHECK-NEXT:    [[TMP2:%.*]] = bitcast double addrspace(1)* [[PTR]] to i64 addrspace(1)*
31; CHECK-NEXT:    [[TMP3:%.*]] = bitcast double [[LOADED]] to i64
32; CHECK-NEXT:    [[TMP4:%.*]] = cmpxchg i64 addrspace(1)* [[TMP2]], i64 [[TMP3]], i64 4616189618054758400 seq_cst seq_cst
33; CHECK-NEXT:    [[SUCCESS:%.*]] = extractvalue { i64, i1 } [[TMP4]], 1
34; CHECK-NEXT:    [[NEWLOADED:%.*]] = extractvalue { i64, i1 } [[TMP4]], 0
35; CHECK-NEXT:    [[TMP5]] = bitcast i64 [[NEWLOADED]] to double
36; CHECK-NEXT:    br i1 [[SUCCESS]], label [[ATOMICRMW_END:%.*]], label [[ATOMICRMW_START]]
37; CHECK:       atomicrmw.end:
38; CHECK-NEXT:    ret double [[TMP5]]
39;
40  %result = atomicrmw xchg double addrspace(1)* %ptr, double 4.0 seq_cst
41  ret double %result
42}
43