1 ; RUN: llc < %s -fast-isel -asm-verbose=false -wasm-keep-registers | FileCheck %s
3 target triple = "wasm32-unknown-unknown"
5 ; Fast-isel uses a 32-bit xor with -1 to negate i1 values, because it doesn't
6 ; make any guarantees about the contents of the high bits of a register holding
7 ; an i1 value. Test that when we do a `br_if` or `br_unless` with what what an
8 ; i1 value in LLVM IR, that we only test the low bit.
11 ; CHECK: i32.const $push[[L0:[0-9]+]]=, 1{{$}}
12 ; CHECK: i32.and $push[[L1:[0-9]+]]=, $pop{{[0-9]+}}, $pop[[L0]]{{$}}
13 ; CHECK: br_if 0, $pop[[L1]]{{$}}
16 ; CHECK: i32.const $push[[L2:[0-9]+]]=, 1{{$}}
17 ; CHECK: i32.and $push[[L3:[0-9]+]]=, $pop{{[0-9]+}}, $pop[[L2]]{{$}}
18 ; CHECK: br_if 0, $pop[[L3]]{{$}}
22 %0 = call i32 @return_one()
26 %1 = icmp eq i32 %0, 1
28 br i1 %2, label %bb2, label %bb3
36 br i1 %3, label %bb4, label %bb5
46 declare i32 @return_one()