1; RUN: llc < %s -mtriple=armv7-linux-gnueabihf -o - | FileCheck %s 2; RUN: llc < %s -mtriple=thumbv7em-none-eabi -mcpu=cortex-m4 | FileCheck %s --check-prefix=CHECK-M4F 3 4target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" 5 6define arm_aapcs_vfpcc void @test_1float({ float } %a) { 7 call arm_aapcs_vfpcc void @test_1float({ float } { float 1.0 }) 8 ret void 9 10; CHECK-LABEL: test_1float: 11; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00 12; CHECK: bl test_1float 13 14; CHECK-M4F-LABEL: test_1float: 15; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00 16; CHECK-M4F: bl test_1float 17} 18 19define arm_aapcs_vfpcc void @test_2float({ float, float } %a) { 20 call arm_aapcs_vfpcc void @test_2float({ float, float } { float 1.0, float 2.0 }) 21 ret void 22 23; CHECK-LABEL: test_2float: 24; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00 25; CHECK-DAG: vmov.f32 s1, #2.{{0+}}e+00 26; CHECK: bl test_2float 27 28; CHECK-M4F-LABEL: test_2float: 29; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00 30; CHECK-M4F-DAG: vmov.f32 s1, #2.{{0+}}e+00 31; CHECK-M4F: bl test_2float 32} 33 34define arm_aapcs_vfpcc void @test_3float({ float, float, float } %a) { 35 call arm_aapcs_vfpcc void @test_3float({ float, float, float } { float 1.0, float 2.0, float 3.0 }) 36 ret void 37 38; CHECK-LABEL: test_3float: 39; CHECK-DAG: vmov.f32 s0, #1.{{0+}}e+00 40; CHECK-DAG: vmov.f32 s1, #2.{{0+}}e+00 41; CHECK-DAG: vmov.f32 s2, #3.{{0+}}e+00 42; CHECK: bl test_3float 43 44; CHECK-M4F-LABEL: test_3float: 45; CHECK-M4F-DAG: vmov.f32 s0, #1.{{0+}}e+00 46; CHECK-M4F-DAG: vmov.f32 s1, #2.{{0+}}e+00 47; CHECK-M4F-DAG: vmov.f32 s2, #3.{{0+}}e+00 48; CHECK-M4F: bl test_3float 49} 50 51define arm_aapcs_vfpcc void @test_1double({ double } %a) { 52; CHECK-LABEL: test_1double: 53; CHECK-DAG: vmov.f64 d0, #1.{{0+}}e+00 54; CHECK: bl test_1double 55 56; CHECK-M4F-LABEL: test_1double: 57; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0 58; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0 59; CHECK-M4F: movt [[ONEHI]], #16368 60; CHECK-M4F-DAG: vmov s0, [[ONELO]] 61; CHECK-M4F-DAG: vmov s1, [[ONEHI]] 62; CHECK-M4F: bl test_1double 63 64 call arm_aapcs_vfpcc void @test_1double({ double } { double 1.0 }) 65 ret void 66} 67 68; Final double argument might be put in s15 & [sp] if we're careless. It should 69; go all on the stack. 70define arm_aapcs_vfpcc void @test_1double_nosplit([4 x float], [4 x double], [3 x float], double %a) { 71; CHECK-LABEL: test_1double_nosplit: 72; CHECK-DAG: mov [[ONELO:r[0-9]+]], #0 73; CHECK-DAG: movw [[ONEHI:r[0-9]+]], #0 74; CHECK-DAG: movt [[ONEHI]], #16368 75; CHECK: strd [[ONELO]], [[ONEHI]], [sp] 76; CHECK: bl test_1double_nosplit 77 78; CHECK-M4F-LABEL: test_1double_nosplit: 79; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0 80; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0 81; CHECK-M4F: movt [[ONEHI]], #16368 82; CHECK-M4F-DAG: str [[ONELO]], [sp] 83; CHECK-M4F-DAG: str [[ONEHI]], [sp, #4] 84; CHECK-M4F: bl test_1double_nosplit 85 call arm_aapcs_vfpcc void @test_1double_nosplit([4 x float] undef, [4 x double] undef, [3 x float] undef, double 1.0) 86 ret void 87} 88 89; Final double argument might go at [sp, #4] if we're careless. Should go at 90; [sp, #8] to preserve alignment. 91define arm_aapcs_vfpcc void @test_1double_misaligned([4 x double], [4 x double], float, double) { 92 call arm_aapcs_vfpcc void @test_1double_misaligned([4 x double] undef, [4 x double] undef, float undef, double 1.0) 93 94; CHECK-LABEL: test_1double_misaligned: 95; CHECK-DAG: movw [[ONEHI:r[0-9]+]], #0 96; CHECK-DAG: mov [[ONELO:r[0-9]+]], #0 97; CHECK-DAG: movt [[ONEHI]], #16368 98; CHECK-DAG: strd [[ONELO]], [[ONEHI]], [sp, #8] 99 100; CHECK-M4F-LABEL: test_1double_misaligned: 101; CHECK-M4F: movs [[ONELO:r[0-9]+]], #0 102; CHECK-M4F: movs [[ONEHI:r[0-9]+]], #0 103; CHECK-M4F: movt [[ONEHI]], #16368 104; CHECK-M4F-DAG: str [[ONELO]], [sp, #8] 105; CHECK-M4F-DAG: str [[ONEHI]], [sp, #12] 106; CHECK-M4F: bl test_1double_misaligned 107 108 ret void 109} 110