1 ; RUN: opt %s -tailcallelim -S | FileCheck %s
3 declare void @use(i8* nocapture, i8* nocapture)
6 define i8* @test1(i8* nocapture %A, i1 %cond) {
8 ; CHECK: %A.tr = phi i8* [ %A, %0 ], [ %B, %cond_true ]
9 ; CHECK: %cond.tr = phi i1 [ %cond, %0 ], [ false, %cond_true ]
11 ; CHECK: %B = alloca i8
12 br i1 %cond, label %cond_true, label %cond_false
13 ; CHECK: br i1 %cond.tr, label %cond_true, label %cond_false
16 ; CHECK: br label %tailrecurse
17 call i8* @test1(i8* %B, i1 false)
21 call void @use(i8* %A, i8* %B)
22 ; CHECK: call void @use(i8* %A.tr, i8* %B)
24 ; CHECK: tail call void @boring()
30 define void @test2(i8* %a, i8* %b) {
32 ; CHECK-NOT: tail call
34 %c = alloca [100 x i8], align 16
35 %tmp = bitcast [100 x i8]* %c to i8*
36 call void @llvm.memcpy.p0i8.p0i8.i64(i8* %b, i8* %tmp, i64 100, i32 1, i1 false)
40 declare void @llvm.memcpy.p0i8.p0i8.i64(i8*, i8*, i64, i32, i1)