xref: /llvm-project/llvm/test/CodeGen/WebAssembly/xor_reassociate.ll (revision 2e3de997ab7cd8728c484bc39e24fecbb97dfae8)
1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
2; RUN: llc < %s | FileCheck %s
3
4target triple = "wasm32-unknown-unknown"
5
6define i32 @reassociate_xor(float %x, float %y) {
7; CHECK-LABEL: reassociate_xor:
8; CHECK:         .functype reassociate_xor (f32, f32) -> (i32)
9; CHECK-NEXT:    .local i32
10; CHECK-NEXT:  # %bb.0: # %entry
11; CHECK-NEXT:    i32.const 1
12; CHECK-NEXT:    local.set 2
13; CHECK-NEXT:    block
14; CHECK-NEXT:    local.get 1
15; CHECK-NEXT:    f32.const 0x1p-23
16; CHECK-NEXT:    f32.le
17; CHECK-NEXT:    local.get 0
18; CHECK-NEXT:    f32.const 0x1p-23
19; CHECK-NEXT:    f32.gt
20; CHECK-NEXT:    i32.xor
21; CHECK-NEXT:    br_if 0 # 0: down to label0
22; CHECK-NEXT:  # %bb.1: # %if.then.i
23; CHECK-NEXT:    i32.const 0
24; CHECK-NEXT:    local.set 2
25; CHECK-NEXT:  .LBB0_2: # %if.end.i
26; CHECK-NEXT:    end_block # label0:
27; CHECK-NEXT:    local.get 2
28; CHECK-NEXT:    # fallthrough-return
29entry:                                           ; preds = %if.then, %entry
30  %cmp0 = fcmp ule float %x, 0x3E80000000000000
31  %cmp1 = fcmp ugt float %y, 0x3E80000000000000
32  %cmp2 = xor i1 %cmp0, %cmp1
33  br i1 %cmp2, label %if.end.i, label %if.then.i
34
35if.then.i:                                        ; preds = %if.end
36  br label %if.end.i
37
38if.end.i:                                         ; preds = %if.then.i, %if.end
39  %s = phi i32 [ 1, %entry ], [ 0, %if.then.i ]
40  ret i32 %s
41}
42