1 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2 ; RUN: llc -mtriple=x86_64-windows-gnu -exception-model=dwarf < %s | FileCheck %s
4 %struct.A = type { [4096 x i8] }
6 @a = common global i32 0, align 4
7 @b = common global i32 0, align 4
9 define void @fn1() nounwind uwtable {
11 ; CHECK: # %bb.0: # %entry
12 ; CHECK-NEXT: movl $4136, %eax # imm = 0x1028
13 ; CHECK-NEXT: callq ___chkstk_ms
14 ; CHECK-NEXT: subq %rax, %rsp
15 ; CHECK-NEXT: .cfi_def_cfa_offset 4144
16 ; CHECK-NEXT: movl {{.*}}(%rip), %eax
17 ; CHECK-NEXT: testl %eax, %eax
18 ; CHECK-NEXT: jne .LBB0_2
19 ; CHECK-NEXT: # %bb.1: # %select.true.sink
21 ; CHECK-NEXT: imulq $715827883, %rax, %rax # imm = 0x2AAAAAAB
22 ; CHECK-NEXT: movq %rax, %rcx
23 ; CHECK-NEXT: shrq $63, %rcx
24 ; CHECK-NEXT: shrq $32, %rax
25 ; CHECK-NEXT: addl %ecx, %eax
26 ; CHECK-NEXT: .LBB0_2: # %select.end
27 ; CHECK-NEXT: movl %eax, {{.*}}(%rip)
28 ; CHECK-NEXT: leaq {{[0-9]+}}(%rsp), %rcx
29 ; CHECK-NEXT: # kill: def $ecx killed $ecx killed $rcx
30 ; CHECK-NEXT: callq fn2
31 ; CHECK-NEXT: addq $4136, %rsp # imm = 0x1028
34 %ctx = alloca %struct.A, align 1
35 %0 = load i32, i32* @a, align 4
36 %tobool = icmp eq i32 %0, 0
38 %cond = select i1 %tobool, i32 %div, i32 %0
39 store i32 %cond, i32* @b, align 4
40 %1 = getelementptr inbounds %struct.A, %struct.A* %ctx, i64 0, i32 0, i64 0
41 call void @llvm.lifetime.start.p0i8(i64 4096, i8* nonnull %1)
42 %2 = ptrtoint %struct.A* %ctx to i64
43 %3 = trunc i64 %2 to i32
44 call void @fn2(i32 %3)
45 call void @llvm.lifetime.end.p0i8(i64 4096, i8* nonnull %1)
49 declare void @fn2(i32)
50 declare void @llvm.lifetime.start.p0i8(i64, i8* nocapture)
51 declare void @llvm.lifetime.end.p0i8(i64, i8* nocapture)