; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4 ; RUN: llc < %s -mtriple=armv7-linux-gnueabihf -o - | FileCheck %s ; RUN: llc < %s -mtriple=thumbv7em-none-eabi -mcpu=cortex-m4 | FileCheck %s --check-prefix=CHECK-M4F target datalayout = "e-m:e-p:32:32-i64:64-v128:64:128-n32-S64" define arm_aapcs_vfpcc void @test_1float({ float } %a) { ; CHECK-LABEL: test_1float: ; CHECK: @ %bb.0: ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-NEXT: bl test_1float ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-M4F-LABEL: test_1float: ; CHECK-M4F: @ %bb.0: ; CHECK-M4F-NEXT: .save {r7, lr} ; CHECK-M4F-NEXT: push {r7, lr} ; CHECK-M4F-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-M4F-NEXT: bl test_1float ; CHECK-M4F-NEXT: pop {r7, pc} call arm_aapcs_vfpcc void @test_1float({ float } { float 1.0 }) ret void } define arm_aapcs_vfpcc void @test_2float({ float, float } %a) { ; CHECK-LABEL: test_2float: ; CHECK: @ %bb.0: ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-NEXT: vmov.f32 s1, #2.000000e+00 ; CHECK-NEXT: bl test_2float ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-M4F-LABEL: test_2float: ; CHECK-M4F: @ %bb.0: ; CHECK-M4F-NEXT: .save {r7, lr} ; CHECK-M4F-NEXT: push {r7, lr} ; CHECK-M4F-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-M4F-NEXT: vmov.f32 s1, #2.000000e+00 ; CHECK-M4F-NEXT: bl test_2float ; CHECK-M4F-NEXT: pop {r7, pc} call arm_aapcs_vfpcc void @test_2float({ float, float } { float 1.0, float 2.0 }) ret void } define arm_aapcs_vfpcc void @test_3float({ float, float, float } %a) { ; CHECK-LABEL: test_3float: ; CHECK: @ %bb.0: ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-NEXT: vmov.f32 s1, #2.000000e+00 ; CHECK-NEXT: vmov.f32 s2, #3.000000e+00 ; CHECK-NEXT: bl test_3float ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-M4F-LABEL: test_3float: ; CHECK-M4F: @ %bb.0: ; CHECK-M4F-NEXT: .save {r7, lr} ; CHECK-M4F-NEXT: push {r7, lr} ; CHECK-M4F-NEXT: vmov.f32 s0, #1.000000e+00 ; CHECK-M4F-NEXT: vmov.f32 s1, #2.000000e+00 ; CHECK-M4F-NEXT: vmov.f32 s2, #3.000000e+00 ; CHECK-M4F-NEXT: bl test_3float ; CHECK-M4F-NEXT: pop {r7, pc} call arm_aapcs_vfpcc void @test_3float({ float, float, float } { float 1.0, float 2.0, float 3.0 }) ret void } define arm_aapcs_vfpcc void @test_1double({ double } %a) { ; CHECK-LABEL: test_1double: ; CHECK: @ %bb.0: ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: vmov.f64 d0, #1.000000e+00 ; CHECK-NEXT: bl test_1double ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-M4F-LABEL: test_1double: ; CHECK-M4F: @ %bb.0: ; CHECK-M4F-NEXT: .save {r7, lr} ; CHECK-M4F-NEXT: push {r7, lr} ; CHECK-M4F-NEXT: vldr d0, .LCPI3_0 ; CHECK-M4F-NEXT: bl test_1double ; CHECK-M4F-NEXT: pop {r7, pc} ; CHECK-M4F-NEXT: .p2align 3 ; CHECK-M4F-NEXT: @ %bb.1: ; CHECK-M4F-NEXT: .LCPI3_0: ; CHECK-M4F-NEXT: .long 0 @ double 1 ; CHECK-M4F-NEXT: .long 1072693248 call arm_aapcs_vfpcc void @test_1double({ double } { double 1.0 }) ret void } ; Final double argument might be put in s15 & [sp] if we're careless. It should ; go all on the stack. define arm_aapcs_vfpcc void @test_1double_nosplit([4 x float], [4 x double], [3 x float], double %a) { ; CHECK-LABEL: test_1double_nosplit: ; CHECK: @ %bb.0: ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: .pad #8 ; CHECK-NEXT: sub sp, sp, #8 ; CHECK-NEXT: vmov.f64 d16, #1.000000e+00 ; CHECK-NEXT: vstr d16, [sp] ; CHECK-NEXT: bl test_1double_nosplit ; CHECK-NEXT: add sp, sp, #8 ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-M4F-LABEL: test_1double_nosplit: ; CHECK-M4F: @ %bb.0: ; CHECK-M4F-NEXT: .save {r7, lr} ; CHECK-M4F-NEXT: push {r7, lr} ; CHECK-M4F-NEXT: .pad #8 ; CHECK-M4F-NEXT: sub sp, #8 ; CHECK-M4F-NEXT: movs r0, #0 ; CHECK-M4F-NEXT: movt r0, #16368 ; CHECK-M4F-NEXT: movs r1, #0 ; CHECK-M4F-NEXT: strd r1, r0, [sp] ; CHECK-M4F-NEXT: bl test_1double_nosplit ; CHECK-M4F-NEXT: add sp, #8 ; CHECK-M4F-NEXT: pop {r7, pc} call arm_aapcs_vfpcc void @test_1double_nosplit([4 x float] undef, [4 x double] undef, [3 x float] undef, double 1.0) ret void } ; Final double argument might go at [sp, #4] if we're careless. Should go at ; [sp, #8] to preserve alignment. define arm_aapcs_vfpcc void @test_1double_misaligned([4 x double], [4 x double], float, double) { ; CHECK-LABEL: test_1double_misaligned: ; CHECK: @ %bb.0: ; CHECK-NEXT: .save {r11, lr} ; CHECK-NEXT: push {r11, lr} ; CHECK-NEXT: .pad #16 ; CHECK-NEXT: sub sp, sp, #16 ; CHECK-NEXT: vmov.f64 d16, #1.000000e+00 ; CHECK-NEXT: vstr d16, [sp, #8] ; CHECK-NEXT: bl test_1double_misaligned ; CHECK-NEXT: add sp, sp, #16 ; CHECK-NEXT: pop {r11, pc} ; ; CHECK-M4F-LABEL: test_1double_misaligned: ; CHECK-M4F: @ %bb.0: ; CHECK-M4F-NEXT: .save {r7, lr} ; CHECK-M4F-NEXT: push {r7, lr} ; CHECK-M4F-NEXT: .pad #16 ; CHECK-M4F-NEXT: sub sp, #16 ; CHECK-M4F-NEXT: movs r0, #0 ; CHECK-M4F-NEXT: movt r0, #16368 ; CHECK-M4F-NEXT: movs r1, #0 ; CHECK-M4F-NEXT: strd r1, r0, [sp, #8] ; CHECK-M4F-NEXT: bl test_1double_misaligned ; CHECK-M4F-NEXT: add sp, #16 ; CHECK-M4F-NEXT: pop {r7, pc} call arm_aapcs_vfpcc void @test_1double_misaligned([4 x double] undef, [4 x double] undef, float undef, double 1.0) ret void }