1 ; RUN: llc < %s -fast-isel -asm-verbose=false -wasm-keep-registers | FileCheck %s
3 target datalayout = "e-m:e-p:32:32-i64:64-n32:64-S128"
4 target triple = "wasm32-unknown-unknown"
6 ; Fast-isel uses a 32-bit xor with -1 to negate i1 values, because it doesn't
7 ; make any guarantees about the contents of the high bits of a register holding
8 ; an i1 value. Test that when we do a `br_if` or `br_unless` with what what an
9 ; i1 value in LLVM IR, that we only test the low bit.
12 ; CHECK: i32.const $push[[L0:[0-9]+]]=, 1{{$}}
13 ; CHECK: i32.and $push[[L1:[0-9]+]]=, $pop{{[0-9]+}}, $pop[[L0]]{{$}}
14 ; CHECK: br_if 0, $pop[[L1]]{{$}}
17 ; CHECK: i32.const $push[[L2:[0-9]+]]=, 1{{$}}
18 ; CHECK: i32.and $push[[L3:[0-9]+]]=, $pop{{[0-9]+}}, $pop[[L2]]{{$}}
19 ; CHECK: br_if 0, $pop[[L3]]{{$}}
23 %0 = call i32 @return_one()
27 %1 = icmp eq i32 %0, 1
29 br i1 %2, label %bb2, label %bb3
37 br i1 %3, label %bb4, label %bb5
47 declare i32 @return_one()