|  | // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s | 
|  |  | 
|  | typedef float float4 __attribute__((ext_vector_type(4))); | 
|  | typedef _Bool bool4 __attribute__((ext_vector_type(4))); | 
|  |  | 
|  | int clang_nondet_i( int x ) { | 
|  | // CHECK-LABEL: entry | 
|  | // CHECK: [[A:%.*]] = alloca i32 | 
|  | // CHECK: store i32 [[X:%.*]], ptr [[A]] | 
|  | // CHECK: [[R:%.*]] = freeze i32 poison | 
|  | // CHECK: ret i32 [[R]] | 
|  | return __builtin_nondeterministic_value(x); | 
|  | } | 
|  |  | 
|  | float clang_nondet_f( float x ) { | 
|  | // CHECK-LABEL: entry | 
|  | // CHECK: [[A:%.*]] = alloca float | 
|  | // CHECK: store float [[X:%.*]], ptr [[A]] | 
|  | // CHECK: [[R:%.*]] = freeze float poison | 
|  | // CHECK: ret float [[R]] | 
|  | return __builtin_nondeterministic_value(x); | 
|  | } | 
|  |  | 
|  | double clang_nondet_d( double x ) { | 
|  | // CHECK-LABEL: entry | 
|  | // CHECK: [[A:%.*]] = alloca double | 
|  | // CHECK: store double [[X:%.*]], ptr [[A]] | 
|  | // CHECK: [[R:%.*]] = freeze double poison | 
|  | // CHECK: ret double [[R]] | 
|  | return __builtin_nondeterministic_value(x); | 
|  | } | 
|  |  | 
|  | _Bool clang_nondet_b( _Bool x) { | 
|  | // CHECK-LABEL: entry | 
|  | // CHECK: [[A:%.*]] = alloca i8 | 
|  | // CHECK: [[B:%.*]] = zext i1 %x to i8 | 
|  | // CHECK: store i8 [[B]], ptr [[A]] | 
|  | // CHECK: [[R:%.*]] = freeze i1 poison | 
|  | // CHECK: ret i1 [[R]] | 
|  | return __builtin_nondeterministic_value(x); | 
|  | } | 
|  |  | 
|  | void clang_nondet_fv( ) { | 
|  | // CHECK-LABEL: entry | 
|  | // CHECK: [[A:%.*]] = alloca <4 x float> | 
|  | // CHECK: [[R:%.*]] = freeze <4 x float> poison | 
|  | // CHECK: store <4 x float> [[R]], ptr [[A]] | 
|  | // CHECK: ret void | 
|  | float4 x = __builtin_nondeterministic_value(x); | 
|  | } | 
|  |  | 
|  | void clang_nondet_bv( ) { | 
|  | // CHECK: [[A:%.*]] = alloca i8 | 
|  | // CHECK: [[V:%.*]] = freeze <4 x i1> poison | 
|  | // CHECK: [[SV:%.*]] = shufflevector <4 x i1> [[V]], <4 x i1> poison, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 poison, i32 poison, i32 poison, i32 poison> | 
|  | // CHECK: [[BC:%.*]] = bitcast <8 x i1> [[SV]] to i8 | 
|  | // CHECK: store i8 [[BC]], ptr [[A]] | 
|  | // CHECK: ret void | 
|  | bool4 x = __builtin_nondeterministic_value(x); | 
|  | } |