1; RUN: llc -march=hexagon < %s 2; REQUIRES: asserts 3 4; The operand-swapping code in HexagonPeephole was not handling subregisters 5; correctly, resulting in a crash on this code. 6 7target datalayout = "e-m:e-p:32:32:32-a:0-n16:32-i64:64:64-i32:32:32-i16:16:16-i1:8:8-f32:32:32-f64:64:64-v32:32:32-v64:64:64-v512:512:512-v1024:1024:1024-v2048:2048:2048" 8target triple = "hexagon" 9 10@float_rounding_mode = external global i8, align 1 11@float_exception_flags = external global i8, align 1 12 13; Function Attrs: nounwind 14define i64 @fred(i32 %a) #0 { 15entry: 16 br i1 undef, label %cleanup, label %lor.lhs.false 17 18lor.lhs.false: ; preds = %entry 19 %cmp3 = icmp eq i32 undef, 255 20 %tobool4 = icmp ne i32 undef, 0 21 %or.cond = and i1 %tobool4, %cmp3 22 %. = select i1 %or.cond, i64 9223372036854775807, i64 -9223372036854775808 23 br label %cleanup 24 25cleanup: ; preds = %lor.lhs.false, %entry 26 %retval.0 = phi i64 [ 9223372036854775807, %entry ], [ %., %lor.lhs.false ] 27 ret i64 %retval.0 28} 29 30attributes #0 = { nounwind } 31