1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
3 ; RUN: opt < %s -instcombine -S | FileCheck %s
5 %struct..0anon = type { i32, i32 }
6 %struct..1anon = type { double }
11 ; CHECK-NEXT: [[U:%.*]] = alloca %struct..1anon, align 8
12 ; CHECK-NEXT: [[TMP1:%.*]] = getelementptr inbounds %struct..1anon, %struct..1anon* [[U]], i64 0, i32 0
13 ; CHECK-NEXT: store double 0x7FF0000000000000, double* [[TMP1]], align 8
14 ; CHECK-NEXT: [[TMP34:%.*]] = bitcast %struct..1anon* [[U]] to %struct..0anon*
15 ; CHECK-NEXT: [[TMP5:%.*]] = getelementptr inbounds %struct..0anon, %struct..0anon* [[TMP34]], i64 0, i32 1
16 ; CHECK-NEXT: [[TMP6:%.*]] = load i32, i32* [[TMP5]], align 4
17 ; CHECK-NEXT: [[TMP89:%.*]] = and i32 [[TMP6]], 2146435072
18 ; CHECK-NEXT: [[TMP0:%.*]] = icmp eq i32 [[TMP89]], 2146435072
19 ; CHECK-NEXT: br i1 [[TMP0]], label %cond_false, label %cond_true
21 ; CHECK-NEXT: ret i32 0
23 ; CHECK-NEXT: ret i32 1
26 %u = alloca %struct..1anon, align 8
27 %tmp1 = getelementptr %struct..1anon, %struct..1anon* %u, i32 0, i32 0
28 store double 0x7FF0000000000000, double* %tmp1
29 %tmp3 = getelementptr %struct..1anon, %struct..1anon* %u, i32 0, i32 0
30 %tmp34 = bitcast double* %tmp3 to %struct..0anon*
31 %tmp5 = getelementptr %struct..0anon, %struct..0anon* %tmp34, i32 0, i32 1
32 %tmp6 = load i32, i32* %tmp5
33 %tmp7 = shl i32 %tmp6, 1
34 %tmp8 = lshr i32 %tmp7, 21
35 %tmp89 = trunc i32 %tmp8 to i16
36 icmp ne i16 %tmp89, 2047
39 br i1 %2, label %cond_true, label %cond_false