# RUN: llc -mtriple arm-linux-gnueabihf -mattr=+vfp4 -float-abi=hard -run-pass=legalizer %s -o - | FileCheck %s -check-prefix CHECK -check-prefix HARD # RUN: llc -mtriple arm-linux-gnueabihf -mattr=+vfp2 -float-abi=hard -run-pass=legalizer %s -o - | FileCheck %s -check-prefix CHECK -check-prefix SOFT -check-prefix HARD-ABI # RUN: llc -mtriple arm-linux-gnueabi -mattr=+vfp4,+soft-float -float-abi=soft -run-pass=legalizer %s -o - | FileCheck %s -check-prefix CHECK -check-prefix SOFT -check-prefix SOFT-ABI # RUN: llc -mtriple arm-linux-gnu -mattr=+vfp4,+soft-float -float-abi=soft -run-pass=legalizer %s -o - | FileCheck %s -check-prefix CHECK -check-prefix SOFT -check-prefix SOFT-ABI --- | define void @test_fma_float() { ret void } define void @test_fma_double() { ret void } ... --- name: test_fma_float # CHECK-LABEL: name: test_fma_float legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } body: | bb.0: liveins: $r0, $r1, $r2 ; CHECK-DAG: [[X:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[Y:%[0-9]+]]:_(s32) = COPY $r1 ; CHECK-DAG: [[Z:%[0-9]+]]:_(s32) = COPY $r2 %0(s32) = COPY $r0 %1(s32) = COPY $r1 %2(s32) = COPY $r2 ; HARD: [[R:%[0-9]+]]:_(s32) = G_FMA [[X]], [[Y]], [[Z]] ; SOFT-NOT: G_FMA ; SOFT: ADJCALLSTACKDOWN ; SOFT-ABI-DAG: $r0 = COPY [[X]] ; SOFT-ABI-DAG: $r1 = COPY [[Y]] ; SOFT-ABI-DAG: $r2 = COPY [[Z]] ; SOFT-ABI: BL &fmaf, {{.*}}, implicit $r0, implicit $r1, implicit $r2, implicit-def $r0 ; SOFT-ABI: [[R:%[0-9]+]]:_(s32) = COPY $r0 ; HARD-ABI-DAG: $s0 = COPY [[X]] ; HARD-ABI-DAG: $s1 = COPY [[Y]] ; HARD-ABI-DAG: $s2 = COPY [[Z]] ; HARD-ABI: BL &fmaf, {{.*}}, implicit $s0, implicit $s1, implicit $s2, implicit-def $s0 ; HARD-ABI: [[R:%[0-9]+]]:_(s32) = COPY $s0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_FMA %3(s32) = G_FMA %0, %1, %2 ; CHECK: $r0 = COPY [[R]] $r0 = COPY %3(s32) BX_RET 14, $noreg, implicit $r0 ... --- name: test_fma_double # CHECK-LABEL: name: test_fma_double legalized: false # CHECK: legalized: true regBankSelected: false selected: false tracksRegLiveness: true registers: - { id: 0, class: _ } - { id: 1, class: _ } - { id: 2, class: _ } - { id: 3, class: _ } - { id: 4, class: _ } - { id: 5, class: _ } - { id: 6, class: _ } - { id: 7, class: _ } - { id: 8, class: _ } body: | bb.0: liveins: $r0, $r1, $r2, $r3 ; CHECK-DAG: [[X0:%[0-9]+]]:_(s32) = COPY $r0 ; CHECK-DAG: [[X1:%[0-9]+]]:_(s32) = COPY $r1 ; CHECK-DAG: [[Y0:%[0-9]+]]:_(s32) = COPY $r2 ; CHECK-DAG: [[Y1:%[0-9]+]]:_(s32) = COPY $r3 %0(s32) = COPY $r0 %1(s32) = COPY $r1 %2(s32) = COPY $r2 %3(s32) = COPY $r3 ; HARD-DAG: [[X:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[X0]] ; HARD-DAG: [[Y:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[Y0]] ; HARD-ABI-DAG: [[X:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[X0]] ; HARD-ABI-DAG: [[Y:%[0-9]+]]:_(s64) = G_MERGE_VALUES [[Y0]] %4(s64) = G_MERGE_VALUES %0(s32), %1(s32) %5(s64) = G_MERGE_VALUES %2(s32), %3(s32) ; HARD: [[R:%[0-9]+]]:_(s64) = G_FMA [[X]], [[X]], [[Y]] ; SOFT-NOT: G_FMA ; SOFT: ADJCALLSTACKDOWN ; SOFT-ABI: [[SP1:%[0-9]+]]:_(p0) = COPY $sp ; SOFT-ABI: [[OFF1:%[0-9]+]]:_(s32) = G_CONSTANT i32 0 ; SOFT-ABI: [[FI1:%[0-9]+]]:_(p0) = G_PTR_ADD [[SP1]], [[OFF1]](s32) ; SOFT-ABI: G_STORE [[Y0]](s32), [[FI1]](p0){{.*}}store (s32) into stack, align 1) ; SOFT-ABI: [[SP2:%[0-9]+]]:_(p0) = COPY $sp ; FIXME: Should avoid multiple copies from $sp ; FIXME: This ought to be align 8 but ARM's call lowering hardcodes it to 1 ; SOFT-ABI: [[OFF2:%[0-9]+]]:_(s32) = G_CONSTANT i32 4 ; SOFT-ABI: [[FI2:%[0-9]+]]:_(p0) = G_PTR_ADD [[SP2]], [[OFF2]](s32) ; SOFT-ABI: G_STORE [[Y1]](s32), [[FI2]](p0){{.*}}store (s32) into stack + 4, align 1) ; SOFT-ABI-DAG: $r{{[0-1]}} = COPY [[X0]] ; SOFT-ABI-DAG: $r{{[0-1]}} = COPY [[X1]] ; SOFT-ABI-DAG: $r{{[2-3]}} = COPY [[X0]] ; SOFT-ABI-DAG: $r{{[2-3]}} = COPY [[X1]] ; SOFT-ABI: BL &fma, {{.*}}, implicit $r0, implicit $r1, implicit $r2, implicit $r3, implicit-def $r0, implicit-def $r1 ; SOFT-ABI-DAG: [[R0:%[0-9]+]]:_(s32) = COPY $r0 ; SOFT-ABI-DAG: [[R1:%[0-9]+]]:_(s32) = COPY $r1 ; HARD-ABI-DAG: $d0 = COPY [[X]] ; HARD-ABI-DAG: $d1 = COPY [[X]] ; HARD-ABI-DAG: $d2 = COPY [[Y]] ; HARD-ABI: BL &fma, {{.*}}, implicit $d0, implicit $d1, implicit $d2, implicit-def $d0 ; HARD-ABI: [[R:%[0-9]+]]:_(s64) = COPY $d0 ; SOFT: ADJCALLSTACKUP ; SOFT-NOT: G_FMA %6(s64) = G_FMA %4, %4, %5 ; HARD: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[R]](s64) ; HARD-ABI: [[R0:%[0-9]+]]:_(s32), [[R1:%[0-9]+]]:_(s32) = G_UNMERGE_VALUES [[R]](s64) %7(s32),%8(s32) = G_UNMERGE_VALUES %6(s64) ; CHECK-DAG: $r0 = COPY [[R0]] ; CHECK-DAG: $r1 = COPY [[R1]] $r0 = COPY %7(s32) $r1 = COPY %8(s32) BX_RET 14, $noreg, implicit $r0, implicit $r1 ...