; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py ; RUN: llc -mtriple=aarch64-linux-gnu -aarch64-neon-syntax=apple -verify-machineinstrs -o - %s | FileCheck %s ; Test signed conversion. define <2 x float> @test1(<2 x i32> %in) { ; CHECK-LABEL: test1: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: scvtf.2s v0, v0, #4 ; CHECK-NEXT: ret entry: %vcvt.i = sitofp <2 x i32> %in to <2 x float> %div.i = fdiv <2 x float> %vcvt.i, <float 16.0, float 16.0> ret <2 x float> %div.i } ; Test unsigned conversion. define <2 x float> @test2(<2 x i32> %in) { ; CHECK-LABEL: test2: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: ucvtf.2s v0, v0, #3 ; CHECK-NEXT: ret entry: %vcvt.i = uitofp <2 x i32> %in to <2 x float> %div.i = fdiv <2 x float> %vcvt.i, <float 8.0, float 8.0> ret <2 x float> %div.i } ; Test which should not fold due to non-power of 2. define <2 x float> @test3(<2 x i32> %in) { ; CHECK-LABEL: test3: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: fmov.2s v1, #9.00000000 ; CHECK-NEXT: scvtf.2s v0, v0 ; CHECK-NEXT: fdiv.2s v0, v0, v1 ; CHECK-NEXT: ret entry: %vcvt.i = sitofp <2 x i32> %in to <2 x float> %div.i = fdiv <2 x float> %vcvt.i, <float 9.0, float 9.0> ret <2 x float> %div.i } ; Test which should not fold due to power of 2 out of range. define <2 x float> @test4(<2 x i32> %in) { ; CHECK-LABEL: test4: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: movi.2s v1, #80, lsl #24 ; CHECK-NEXT: scvtf.2s v0, v0 ; CHECK-NEXT: fdiv.2s v0, v0, v1 ; CHECK-NEXT: ret entry: %vcvt.i = sitofp <2 x i32> %in to <2 x float> %div.i = fdiv <2 x float> %vcvt.i, <float 0x4200000000000000, float 0x4200000000000000> ret <2 x float> %div.i } ; Test case where const is max power of 2 (i.e., 2^32). define <2 x float> @test5(<2 x i32> %in) { ; CHECK-LABEL: test5: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: scvtf.2s v0, v0, #32 ; CHECK-NEXT: ret entry: %vcvt.i = sitofp <2 x i32> %in to <2 x float> %div.i = fdiv <2 x float> %vcvt.i, <float 0x41F0000000000000, float 0x41F0000000000000> ret <2 x float> %div.i } ; Test quadword. define <4 x float> @test6(<4 x i32> %in) { ; CHECK-LABEL: test6: ; CHECK: // %bb.0: // %entry ; CHECK-NEXT: scvtf.4s v0, v0, #2 ; CHECK-NEXT: ret entry: %vcvt.i = sitofp <4 x i32> %in to <4 x float> %div.i = fdiv <4 x float> %vcvt.i, <float 4.0, float 4.0, float 4.0, float 4.0> ret <4 x float> %div.i } ; Test unsigned i16 to float define <4 x float> @test7(<4 x i16> %in) { ; CHECK-LABEL: test7: ; CHECK: // %bb.0: ; CHECK-NEXT: ushll.4s v0, v0, #0 ; CHECK-NEXT: ucvtf.4s v0, v0, #1 ; CHECK-NEXT: ret %conv = uitofp <4 x i16> %in to <4 x float> %shift = fdiv <4 x float> %conv, <float 2.0, float 2.0, float 2.0, float 2.0> ret <4 x float> %shift } ; Test signed i16 to float define <4 x float> @test8(<4 x i16> %in) { ; CHECK-LABEL: test8: ; CHECK: // %bb.0: ; CHECK-NEXT: sshll.4s v0, v0, #0 ; CHECK-NEXT: scvtf.4s v0, v0, #2 ; CHECK-NEXT: ret %conv = sitofp <4 x i16> %in to <4 x float> %shift = fdiv <4 x float> %conv, <float 4.0, float 4.0, float 4.0, float 4.0> ret <4 x float> %shift } ; Can't convert i64 to float. define <2 x float> @test9(<2 x i64> %in) { ; CHECK-LABEL: test9: ; CHECK: // %bb.0: ; CHECK-NEXT: ucvtf.2d v0, v0 ; CHECK-NEXT: movi.2s v1, #64, lsl #24 ; CHECK-NEXT: fcvtn v0.2s, v0.2d ; CHECK-NEXT: fdiv.2s v0, v0, v1 ; CHECK-NEXT: ret %conv = uitofp <2 x i64> %in to <2 x float> %shift = fdiv <2 x float> %conv, <float 2.0, float 2.0> ret <2 x float> %shift } define <2 x double> @test10(<2 x i64> %in) { ; CHECK-LABEL: test10: ; CHECK: // %bb.0: ; CHECK-NEXT: ucvtf.2d v0, v0, #1 ; CHECK-NEXT: ret %conv = uitofp <2 x i64> %in to <2 x double> %shift = fdiv <2 x double> %conv, <double 2.0, double 2.0> ret <2 x double> %shift }