; RUN: llc -mtriple=armv7 -mattr=+neon -mcpu=swift %s -o - | FileCheck %s ; RUN: llc -mtriple=armv7 -mattr=+neon -mcpu=cortex-a8 %s -o - | FileCheck --check-prefix=CHECK-NONEONFP %s ; RUN: llc -mtriple=armv7 -mattr=-neon -mcpu=cortex-a8 %s -o - | FileCheck --check-prefix=CHECK-NONEON %s ; RUN: llc -mtriple=thumbv7m -mcpu=cortex-m4 %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-NO-XO %s ; RUN: llc -mtriple=thumbv7m -mattr=+execute-only -mcpu=cortex-m4 %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-XO-FLOAT --check-prefix=CHECK-XO-DOUBLE %s ; RUN: llc -mtriple=thumbv7meb -mattr=+execute-only -mcpu=cortex-m4 %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-XO-FLOAT --check-prefix=CHECK-XO-DOUBLE-BE %s ; RUN: llc -mtriple=thumbv7m -mattr=+execute-only -mcpu=cortex-m4 -relocation-model=ropi %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-XO-ROPI %s ; RUN: llc -mtriple=thumbv8m.main -mattr=fp-armv8 %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-NO-XO %s ; RUN: llc -mtriple=thumbv8m.main -mattr=+execute-only -mattr=fp-armv8 %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-XO-FLOAT --check-prefix=CHECK-XO-DOUBLE %s ; RUN: llc -mtriple=thumbv8m.maineb -mattr=+execute-only -mattr=fp-armv8 %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-XO-FLOAT --check-prefix=CHECK-XO-DOUBLE-BE %s ; RUN: llc -mtriple=thumbv8m.main -mattr=+execute-only -mattr=fp-armv8 -relocation-model=ropi %s -o - \ ; RUN: | FileCheck --check-prefix=CHECK-XO-ROPI %s define arm_aapcs_vfpcc float @test_vmov_f32() { ; CHECK-LABEL: test_vmov_f32: ; CHECK: vmov.f32 d0, #1.0 ; CHECK-NONEONFP: vmov.f32 s0, #1.0 ret float 1.0 } define arm_aapcs_vfpcc float @test_vmov_imm() { ; CHECK-LABEL: test_vmov_imm: ; CHECK: vmov.i32 d0, #0 ; CHECK-NONEON-LABEL: test_vmov_imm: ; CHECK-NONEON: vldr s0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-NO-XO-LABEL: test_vmov_imm: ; CHECK-NO-XO: vldr s0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-FLOAT-LABEL: test_vmov_imm: ; CHECK-XO-FLOAT: movs [[REG:r[0-9]+]], #0 ; CHECK-XO-FLOAT: vmov {{s[0-9]+}}, [[REG]] ; CHECK-XO-FLOAT-NOT: vldr ret float 0.0 } define arm_aapcs_vfpcc float @test_vmvn_imm() { ; CHECK-LABEL: test_vmvn_imm: ; CHECK: vmvn.i32 d0, #0xb0000000 ; CHECK-NONEON-LABEL: test_vmvn_imm: ; CHECK-NONEON: vldr s0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-NO-XO-LABEL: test_vmvn_imm: ; CHECK-NO-XO: vldr s0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-FLOAT-LABEL: test_vmvn_imm: ; CHECK-XO-FLOAT: mvn [[REG:r[0-9]+]], #-1342177280 ; CHECK-XO-FLOAT: vmov {{s[0-9]+}}, [[REG]] ; CHECK-XO-FLOAT-NOT: vldr ret float 8589934080.0 } define arm_aapcs_vfpcc double @test_vmov_f64() { ; CHECK-LABEL: test_vmov_f64: ; CHECK: vmov.f64 d0, #1.0 ; CHECK-NONEON-LABEL: test_vmov_f64: ; CHECK-NONEON: vmov.f64 d0, #1.0 ret double 1.0 } define arm_aapcs_vfpcc double @test_vmov_double_imm() { ; CHECK-LABEL: test_vmov_double_imm: ; CHECK: vmov.i32 d0, #0 ; CHECK-NONEON-LABEL: test_vmov_double_imm: ; CHECK-NONEON: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-NO-XO-LABEL: test_vmov_double_imm: ; CHECK-NO-XO: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-DOUBLE-LABEL: test_vmov_double_imm: ; CHECK-XO-DOUBLE: movs [[REG:r[0-9]+]], #0 ; CHECK-XO-DOUBLE: vmov {{d[0-9]+}}, [[REG]], [[REG]] ; CHECK-XO-DOUBLE-NOT: vldr ; CHECK-XO-DOUBLE-BE-LABEL: test_vmov_double_imm: ; CHECK-XO-DOUBLE-BE: movs [[REG:r[0-9]+]], #0 ; CHECK-XO-DOUBLE-BE: vmov {{d[0-9]+}}, [[REG]], [[REG]] ; CHECK-XO-DOUBLE-NOT: vldr ret double 0.0 } define arm_aapcs_vfpcc double @test_vmvn_double_imm() { ; CHECK-LABEL: test_vmvn_double_imm: ; CHECK: vmvn.i32 d0, #0xb0000000 ; CHECK-NONEON-LABEL: test_vmvn_double_imm: ; CHECK-NONEON: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-NO-XO-LABEL: test_vmvn_double_imm: ; CHECK-NO-XO: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-DOUBLE-LABEL: test_vmvn_double_imm: ; CHECK-XO-DOUBLE: mvn [[REG:r[0-9]+]], #-1342177280 ; CHECK-XO-DOUBLE: vmov {{d[0-9]+}}, [[REG]], [[REG]] ; CHECK-XO-DOUBLE-NOT: vldr ; CHECK-XO-DOUBLE-BE-LABEL: test_vmvn_double_imm: ; CHECK-XO-DOUBLE-BE: mvn [[REG:r[0-9]+]], #-1342177280 ; CHECK-XO-DOUBLE-BE: vmov {{d[0-9]+}}, [[REG]], [[REG]] ; CHECK-XO-DOUBLE-BE-NOT: vldr ret double 0x4fffffff4fffffff } ; Make sure we don't ignore the high half of 64-bit values when deciding whether ; a vmov/vmvn is possible. define arm_aapcs_vfpcc double @test_notvmvn_double_imm() { ; CHECK-LABEL: test_notvmvn_double_imm: ; CHECK: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-NONEON-LABEL: test_notvmvn_double_imm: ; CHECK-NONEON: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-NO-XO-LABEL: test_notvmvn_double_imm: ; CHECK-NO-XO: vldr d0, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-DOUBLE-LABEL: test_notvmvn_double_imm: ; CHECK-XO-DOUBLE: mvn [[REG1:r[0-9]+]], #-1342177280 ; CHECK-XO-DOUBLE: mov.w [[REG2:r[0-9]+]], #-1 ; CHECK-XO-DOUBLE: vmov {{d[0-9]+}}, [[REG2]], [[REG1]] ; CHECK-XO-DOUBLE-NOT: vldr ; CHECK-XO-DOUBLE-BE-LABEL: test_notvmvn_double_imm: ; CHECK-XO-DOUBLE-BE: mov.w [[REG1:r[0-9]+]], #-1 ; CHECK-XO-DOUBLE-BE: mvn [[REG2:r[0-9]+]], #-1342177280 ; CHECK-XO-DOUBLE-BE: vmov {{d[0-9]+}}, [[REG2]], [[REG1]] ; CHECK-XO-DOUBLE-BE-NOT: vldr ret double 0x4fffffffffffffff } define arm_aapcs_vfpcc float @lower_const_f32_xo() { ; CHECK-NO-XO-LABEL: lower_const_f32_xo ; CHECK-NO-XO: vldr {{s[0-9]+}}, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-FLOAT-LABEL: lower_const_f32_xo ; CHECK-XO-FLOAT: movw [[REG:r[0-9]+]], #29884 ; CHECK-XO-FLOAT: movt [[REG]], #16083 ; CHECK-XO-FLOAT: vmov {{s[0-9]+}}, [[REG]] ; CHECK-XO-FLOAT-NOT: vldr ret float 0x3FDA6E9780000000 } define arm_aapcs_vfpcc double @lower_const_f64_xo() { ; CHECK-NO-XO-LABEL: lower_const_f64_xo ; CHECK-NO-XO: vldr {{d[0-9]+}}, {{.?LCPI[0-9]+_[0-9]+}} ; CHECK-XO-DOUBLE-LABEL: lower_const_f64_xo ; CHECK-XO-DOUBLE: movw [[REG1:r[0-9]+]], #6291 ; CHECK-XO-DOUBLE: movw [[REG2:r[0-9]+]], #27263 ; CHECK-XO-DOUBLE: movt [[REG1]], #16340 ; CHECK-XO-DOUBLE: movt [[REG2]], #29884 ; CHECK-XO-DOUBLE: vmov {{d[0-9]+}}, [[REG2]], [[REG1]] ; CHECK-XO-DOUBLE-NOT: vldr ; CHECK-XO-DOUBLE-BE-LABEL: lower_const_f64_xo ; CHECK-XO-DOUBLE-BE: movw [[REG1:r[0-9]+]], #27263 ; CHECK-XO-DOUBLE-BE: movw [[REG2:r[0-9]+]], #6291 ; CHECK-XO-DOUBLE-BE: movt [[REG1]], #29884 ; CHECK-XO-DOUBLE-BE: movt [[REG2]], #16340 ; CHECK-XO-DOUBLE-BE: vmov {{d[0-9]+}}, [[REG2]], [[REG1]] ; CHECK-XO-DOUBLE-BE-NOT: vldr ret double 3.140000e-01 } ; This is a target independent optimization, performed by the ; DAG Combiner, which promotes floating point literals into ; constant pools: ; ; (a cond b) ? 1.0f : 2.0f -> load (ConstPoolAddr + ((a cond b) ? 0 : 4) ; ; We need to make sure that the constant pools are placed in ; the data section when generating execute-only code: define arm_aapcs_vfpcc float @lower_fpconst_select(float %f) { ; CHECK-NO-XO-LABEL: lower_fpconst_select ; CHECK-NO-XO: adr [[REG:r[0-9]+]], [[LABEL:.?LCPI[0-9]+_[0-9]+]] ; CHECK-NO-XO: vldr {{s[0-9]+}}, {{[[]}}[[REG]]{{[]]}} ; CHECK-NO-XO-NOT: .rodata ; CHECK-NO-XO: [[LABEL]]: ; CHECK-NO-XO: .long 1335165689 ; CHECK-NO-XO: .long 1307470632 ; CHECK-XO-FLOAT-LABEL: lower_fpconst_select ; CHECK-XO-FLOAT: movw [[REG:r[0-9]+]], :lower16:[[LABEL:.?LCP[0-9]+_[0-9]+]] ; CHECK-XO-FLOAT: movt [[REG]], :upper16:[[LABEL]] ; CHECK-XO-FLOAT: vldr {{s[0-9]+}}, {{[[]}}[[REG]]{{[]]}} ; CHECK-XO-FLOAT: .rodata ; CHECK-XO-FLOAT-NOT: .text ; CHECK-XO-FLOAT: [[LABEL]]: ; CHECK-XO-FLOAT: .long 1335165689 ; CHECK-XO-FLOAT: .long 1307470632 ; CHECK-XO-ROPI-LABEL: lower_fpconst_select ; CHECK-XO-ROPI: movw [[REG:r[0-9]+]], :lower16:([[LABEL1:.?LCP[0-9]+_[0-9]+]]-([[LABEL2:.?LPC[0-9]+_[0-9]+]]+4)) ; CHECK-XO-ROPI: movt [[REG]], :upper16:([[LABEL1]]-([[LABEL2]]+4)) ; CHECK-XO-ROPI: [[LABEL2]]: ; CHECK-XO-ROPI: vldr {{s[0-9]+}}, {{[[]}}[[REG]]{{[]]}} ; CHECK-XO-ROPI: .rodata ; CHECK-XO-ROPI-NOT: .text ; CHECK-XO-ROPI: [[LABEL1]]: ; CHECK-XO-ROPI: .long 1335165689 ; CHECK-XO-ROPI: .long 1307470632 %cmp = fcmp nnan oeq float %f, 0.000000e+00 %sel = select i1 %cmp, float 5.000000e+08, float 5.000000e+09 ret float %sel }