1 ; RUN: llc -mcpu=pwr7 -mattr=-fpcvt < %s | FileCheck %s 2 target datalayout = "E-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v128:128:128-n32:64" 3 target triple = "powerpc64-unknown-linux-gnu" 4 5 define float @test(i64 %x) nounwind readnone { 6 entry: 7 %conv = sitofp i64 %x to float 8 ret float %conv 9 } 10 11 ; Verify that we get the code sequence needed to avoid double-rounding. 12 ; Note that only parts of the sequence are checked for here, to allow 13 ; for minor code generation differences. 14 15 ; CHECK: sradi [[REG1:[0-9]+]], 3, 53 16 ; CHECK: addi [[REG2:[0-9]+]], [[REG1]], 1 17 ; CHECK: cmpldi [[REG2]], 1 18 ; CHECK: isel [[REG3:[0-9]+]], {{[0-9]+}}, 3, 1 19 ; CHECK: std [[REG3]], -{{[0-9]+}}(1) 20 21 22 ; Also check that with -enable-unsafe-fp-math we do not get that extra 23 ; code sequence. Simply verify that there is no "isel" present. 24 25 ; RUN: llc -mcpu=pwr7 -mattr=-fpcvt -enable-unsafe-fp-math < %s | FileCheck %s -check-prefix=CHECK-UNSAFE 26 ; CHECK-UNSAFE-NOT: isel 27 28
