1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rdrnd | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC 3; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=goldmont | FileCheck %s --check-prefix=CHECK --check-prefix=GOLDMONT 4; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=ivybridge | FileCheck %s --check-prefix=CHECK --check-prefix=IVY 5; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=HASWELL 6; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=broadwell | FileCheck %s --check-prefix=CHECK --check-prefix=BROADWELL 7; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skylake | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE 8; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=SKX 9; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=znver1 | FileCheck %s --check-prefix=CHECK --check-prefix=ZNVER1 10 11declare {i16, i32} @llvm.x86.rdrand.16() 12declare {i32, i32} @llvm.x86.rdrand.32() 13declare {i64, i32} @llvm.x86.rdrand.64() 14 15define i16 @test_rdrand_16(i16* %random_val) { 16; GENERIC-LABEL: test_rdrand_16: 17; GENERIC: # %bb.0: 18; GENERIC-NEXT: rdrandw %ax # sched: [100:0.33] 19; GENERIC-NEXT: retq # sched: [1:1.00] 20; 21; GOLDMONT-LABEL: test_rdrand_16: 22; GOLDMONT: # %bb.0: 23; GOLDMONT-NEXT: rdrandw %ax # sched: [100:1.00] 24; GOLDMONT-NEXT: retq # sched: [4:1.00] 25; 26; IVY-LABEL: test_rdrand_16: 27; IVY: # %bb.0: 28; IVY-NEXT: rdrandw %ax # sched: [100:0.33] 29; IVY-NEXT: retq # sched: [1:1.00] 30; 31; HASWELL-LABEL: test_rdrand_16: 32; HASWELL: # %bb.0: 33; HASWELL-NEXT: rdrandw %ax # sched: [1:5.33] 34; HASWELL-NEXT: retq # sched: [7:1.00] 35; 36; BROADWELL-LABEL: test_rdrand_16: 37; BROADWELL: # %bb.0: 38; BROADWELL-NEXT: rdrandw %ax # sched: [9:1.00] 39; BROADWELL-NEXT: retq # sched: [7:1.00] 40; 41; SKYLAKE-LABEL: test_rdrand_16: 42; SKYLAKE: # %bb.0: 43; SKYLAKE-NEXT: rdrandw %ax # sched: [100:0.25] 44; SKYLAKE-NEXT: retq # sched: [7:1.00] 45; 46; SKX-LABEL: test_rdrand_16: 47; SKX: # %bb.0: 48; SKX-NEXT: rdrandw %ax # sched: [100:0.25] 49; SKX-NEXT: retq # sched: [7:1.00] 50; 51; ZNVER1-LABEL: test_rdrand_16: 52; ZNVER1: # %bb.0: 53; ZNVER1-NEXT: rdrandw %ax # sched: [100:0.25] 54; ZNVER1-NEXT: retq # sched: [1:0.50] 55 %call = call {i16, i32} @llvm.x86.rdrand.16() 56 %randval = extractvalue {i16, i32} %call, 0 57 ret i16 %randval 58} 59 60define i32 @test_rdrand_32(i32* %random_val) { 61; GENERIC-LABEL: test_rdrand_32: 62; GENERIC: # %bb.0: 63; GENERIC-NEXT: rdrandl %eax # sched: [100:0.33] 64; GENERIC-NEXT: retq # sched: [1:1.00] 65; 66; GOLDMONT-LABEL: test_rdrand_32: 67; GOLDMONT: # %bb.0: 68; GOLDMONT-NEXT: rdrandl %eax # sched: [100:1.00] 69; GOLDMONT-NEXT: retq # sched: [4:1.00] 70; 71; IVY-LABEL: test_rdrand_32: 72; IVY: # %bb.0: 73; IVY-NEXT: rdrandl %eax # sched: [100:0.33] 74; IVY-NEXT: retq # sched: [1:1.00] 75; 76; HASWELL-LABEL: test_rdrand_32: 77; HASWELL: # %bb.0: 78; HASWELL-NEXT: rdrandl %eax # sched: [1:5.33] 79; HASWELL-NEXT: retq # sched: [7:1.00] 80; 81; BROADWELL-LABEL: test_rdrand_32: 82; BROADWELL: # %bb.0: 83; BROADWELL-NEXT: rdrandl %eax # sched: [9:1.00] 84; BROADWELL-NEXT: retq # sched: [7:1.00] 85; 86; SKYLAKE-LABEL: test_rdrand_32: 87; SKYLAKE: # %bb.0: 88; SKYLAKE-NEXT: rdrandl %eax # sched: [100:0.25] 89; SKYLAKE-NEXT: retq # sched: [7:1.00] 90; 91; SKX-LABEL: test_rdrand_32: 92; SKX: # %bb.0: 93; SKX-NEXT: rdrandl %eax # sched: [100:0.25] 94; SKX-NEXT: retq # sched: [7:1.00] 95; 96; ZNVER1-LABEL: test_rdrand_32: 97; ZNVER1: # %bb.0: 98; ZNVER1-NEXT: rdrandl %eax # sched: [100:0.25] 99; ZNVER1-NEXT: retq # sched: [1:0.50] 100 %call = call {i32, i32} @llvm.x86.rdrand.32() 101 %randval = extractvalue {i32, i32} %call, 0 102 ret i32 %randval 103} 104 105define i64 @test_rdrand_64(i64* %random_val) { 106; GENERIC-LABEL: test_rdrand_64: 107; GENERIC: # %bb.0: 108; GENERIC-NEXT: rdrandq %rax # sched: [100:0.33] 109; GENERIC-NEXT: retq # sched: [1:1.00] 110; 111; GOLDMONT-LABEL: test_rdrand_64: 112; GOLDMONT: # %bb.0: 113; GOLDMONT-NEXT: rdrandq %rax # sched: [100:1.00] 114; GOLDMONT-NEXT: retq # sched: [4:1.00] 115; 116; IVY-LABEL: test_rdrand_64: 117; IVY: # %bb.0: 118; IVY-NEXT: rdrandq %rax # sched: [100:0.33] 119; IVY-NEXT: retq # sched: [1:1.00] 120; 121; HASWELL-LABEL: test_rdrand_64: 122; HASWELL: # %bb.0: 123; HASWELL-NEXT: rdrandq %rax # sched: [1:5.33] 124; HASWELL-NEXT: retq # sched: [7:1.00] 125; 126; BROADWELL-LABEL: test_rdrand_64: 127; BROADWELL: # %bb.0: 128; BROADWELL-NEXT: rdrandq %rax # sched: [9:1.00] 129; BROADWELL-NEXT: retq # sched: [7:1.00] 130; 131; SKYLAKE-LABEL: test_rdrand_64: 132; SKYLAKE: # %bb.0: 133; SKYLAKE-NEXT: rdrandq %rax # sched: [100:0.25] 134; SKYLAKE-NEXT: retq # sched: [7:1.00] 135; 136; SKX-LABEL: test_rdrand_64: 137; SKX: # %bb.0: 138; SKX-NEXT: rdrandq %rax # sched: [100:0.25] 139; SKX-NEXT: retq # sched: [7:1.00] 140; 141; ZNVER1-LABEL: test_rdrand_64: 142; ZNVER1: # %bb.0: 143; ZNVER1-NEXT: rdrandq %rax # sched: [100:0.25] 144; ZNVER1-NEXT: retq # sched: [1:0.50] 145 %call = call {i64, i32} @llvm.x86.rdrand.64() 146 %randval = extractvalue {i64, i32} %call, 0 147 ret i64 %randval 148} 149