1*1eddce41SErich Keane // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm --std=c++17 %s -o - | FileCheck %s
2*1eddce41SErich Keane 
3*1eddce41SErich Keane struct stream {
4*1eddce41SErich Keane   friend const stream &operator<<(const stream &, const float &);
5*1eddce41SErich Keane };
6*1eddce41SErich Keane 
7*1eddce41SErich Keane void foo() {
8*1eddce41SErich Keane   constexpr float f_zero = 0.0f;
9*1eddce41SErich Keane   constexpr float f_one = 1.0f;
10*1eddce41SErich Keane   constexpr float f_two = 2.0f;
11*1eddce41SErich Keane 
12*1eddce41SErich Keane   stream s;
13*1eddce41SErich Keane   [=]() {
14*1eddce41SErich Keane     s << f_zero << f_one << f_two;
15*1eddce41SErich Keane   }();
16*1eddce41SErich Keane }
17*1eddce41SErich Keane 
18*1eddce41SErich Keane // CHECK: define void @_Z3foov
19*1eddce41SErich Keane // CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 0
20*1eddce41SErich Keane // CHECK-NEXT: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 1
21*1eddce41SErich Keane // CHECK-NEXT: store float 0.000
22*1eddce41SErich Keane // CHECK-NEXT: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 2
23*1eddce41SErich Keane // CHECK-NEXT: store float 1.000
24*1eddce41SErich Keane // CHECK-NEXT: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 3
25*1eddce41SErich Keane // CHECK-NEXT: store float 2.000
26*1eddce41SErich Keane 
27*1eddce41SErich Keane // The lambda body.  Reverse iteration when the captures aren't deterministic
28*1eddce41SErich Keane // causes these to be laid out differently in the lambda.
29*1eddce41SErich Keane // CHECK: define internal void
30*1eddce41SErich Keane // CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 0
31*1eddce41SErich Keane // CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 1
32*1eddce41SErich Keane // CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 2
33*1eddce41SErich Keane // CHECK: getelementptr inbounds %{{.+}}, %{{.+}}* %{{.+}}, i32 0, i32 3
34