; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 ; Verify that we get the code sequence needed to avoid double-rounding. ; Note that only parts of the sequence are checked for here, to allow ; for minor code generation differences. ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt < %s | FileCheck %s ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -mattr=-isel < %s | FileCheck %s --check-prefix=CHECK-NO-ISEL ; Also check that with -enable-unsafe-fp-math we do not get that extra ; code sequence. Simply verify that there is no "isel" present. ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -enable-unsafe-fp-math < %s | FileCheck %s -check-prefix=CHECK-UNSAFE ; CHECK-UNSAFE-NOT: isel 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" target triple = "powerpc64-unknown-linux-gnu" define float @test(i64 %x) nounwind readnone { ; Verify that we get the code sequence needed to avoid double-rounding. ; Note that only parts of the sequence are checked for here, to allow ; for minor code generation differences. ; Also check that with -enable-unsafe-fp-math we do not get that extra ; code sequence. Simply verify that there is no "isel" present. ; RUN: llc -verify-machineinstrs -mcpu=pwr7 -mattr=-fpcvt -enable-unsafe-fp-math < %s | FileCheck %s -check-prefix=CHECK-UNSAFE ; CHECK-LABEL: test: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: clrldi 4, 3, 53 ; CHECK-NEXT: sradi 5, 3, 53 ; CHECK-NEXT: addi 4, 4, 2047 ; CHECK-NEXT: addi 5, 5, 1 ; CHECK-NEXT: or 4, 4, 3 ; CHECK-NEXT: cmpldi 5, 1 ; CHECK-NEXT: rldicr 4, 4, 0, 52 ; CHECK-NEXT: iselgt 3, 4, 3 ; CHECK-NEXT: std 3, -8(1) ; CHECK-NEXT: lfd 0, -8(1) ; CHECK-NEXT: xscvsxddp 0, 0 ; CHECK-NEXT: frsp 1, 0 ; CHECK-NEXT: blr ; ; CHECK-NO-ISEL-LABEL: test: ; CHECK-NO-ISEL: # %bb.0: # %entry ; CHECK-NO-ISEL-NEXT: sradi 4, 3, 53 ; CHECK-NO-ISEL-NEXT: addi 4, 4, 1 ; CHECK-NO-ISEL-NEXT: cmpldi 4, 1 ; CHECK-NO-ISEL-NEXT: bc 4, 1, .LBB0_2 ; CHECK-NO-ISEL-NEXT: # %bb.1: ; CHECK-NO-ISEL-NEXT: clrldi 4, 3, 53 ; CHECK-NO-ISEL-NEXT: addi 4, 4, 2047 ; CHECK-NO-ISEL-NEXT: or 3, 4, 3 ; CHECK-NO-ISEL-NEXT: rldicr 3, 3, 0, 52 ; CHECK-NO-ISEL-NEXT: .LBB0_2: # %entry ; CHECK-NO-ISEL-NEXT: std 3, -8(1) ; CHECK-NO-ISEL-NEXT: lfd 0, -8(1) ; CHECK-NO-ISEL-NEXT: xscvsxddp 0, 0 ; CHECK-NO-ISEL-NEXT: frsp 1, 0 ; CHECK-NO-ISEL-NEXT: blr ; ; CHECK-UNSAFE-LABEL: test: ; CHECK-UNSAFE: # %bb.0: # %entry ; CHECK-UNSAFE-NEXT: std 3, -8(1) ; CHECK-UNSAFE-NEXT: lfd 0, -8(1) ; CHECK-UNSAFE-NEXT: xscvsxddp 0, 0 ; CHECK-UNSAFE-NEXT: frsp 1, 0 ; CHECK-UNSAFE-NEXT: blr entry: %conv = sitofp i64 %x to float ret float %conv }