forked from OSchip/llvm-project
117 lines
4.2 KiB
LLVM
117 lines
4.2 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=x86-64 -mattr=+rdseed | FileCheck %s --check-prefix=CHECK --check-prefix=GENERIC
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=goldmont | FileCheck %s --check-prefix=CHECK --check-prefix=GOLDMONT
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=broadwell | FileCheck %s --check-prefix=CHECK --check-prefix=BROADWELL
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skylake | FileCheck %s --check-prefix=CHECK --check-prefix=SKYLAKE
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=skx | FileCheck %s --check-prefix=CHECK --check-prefix=SKX
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=znver1 | FileCheck %s --check-prefix=CHECK --check-prefix=ZNVER1
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declare {i16, i32} @llvm.x86.rdseed.16()
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declare {i32, i32} @llvm.x86.rdseed.32()
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declare {i64, i32} @llvm.x86.rdseed.64()
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define i16 @test_rdseed_16(i16* %random_val) {
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; GENERIC-LABEL: test_rdseed_16:
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; GENERIC: # %bb.0:
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; GENERIC-NEXT: rdseedw %ax # sched: [100:0.33]
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; GENERIC-NEXT: retq # sched: [1:1.00]
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;
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; GOLDMONT-LABEL: test_rdseed_16:
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; GOLDMONT: # %bb.0:
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; GOLDMONT-NEXT: rdseedw %ax # sched: [100:1.00]
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; GOLDMONT-NEXT: retq # sched: [4:1.00]
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;
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; BROADWELL-LABEL: test_rdseed_16:
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; BROADWELL: # %bb.0:
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; BROADWELL-NEXT: rdseedw %ax # sched: [100:0.25]
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; BROADWELL-NEXT: retq # sched: [7:1.00]
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;
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; SKYLAKE-LABEL: test_rdseed_16:
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; SKYLAKE: # %bb.0:
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; SKYLAKE-NEXT: rdseedw %ax # sched: [100:0.25]
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; SKYLAKE-NEXT: retq # sched: [7:1.00]
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;
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; SKX-LABEL: test_rdseed_16:
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; SKX: # %bb.0:
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; SKX-NEXT: rdseedw %ax # sched: [100:0.25]
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; SKX-NEXT: retq # sched: [7:1.00]
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;
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; ZNVER1-LABEL: test_rdseed_16:
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; ZNVER1: # %bb.0:
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; ZNVER1-NEXT: rdseedw %ax # sched: [100:?]
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; ZNVER1-NEXT: retq # sched: [1:0.50]
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%call = call {i16, i32} @llvm.x86.rdseed.16()
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%randval = extractvalue {i16, i32} %call, 0
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ret i16 %randval
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}
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define i32 @test_rdseed_32(i16* %random_val) {
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; GENERIC-LABEL: test_rdseed_32:
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; GENERIC: # %bb.0:
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; GENERIC-NEXT: rdseedl %eax # sched: [100:0.33]
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; GENERIC-NEXT: retq # sched: [1:1.00]
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;
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; GOLDMONT-LABEL: test_rdseed_32:
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; GOLDMONT: # %bb.0:
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; GOLDMONT-NEXT: rdseedl %eax # sched: [100:1.00]
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; GOLDMONT-NEXT: retq # sched: [4:1.00]
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;
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; BROADWELL-LABEL: test_rdseed_32:
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; BROADWELL: # %bb.0:
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; BROADWELL-NEXT: rdseedl %eax # sched: [100:0.25]
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; BROADWELL-NEXT: retq # sched: [7:1.00]
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;
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; SKYLAKE-LABEL: test_rdseed_32:
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; SKYLAKE: # %bb.0:
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; SKYLAKE-NEXT: rdseedl %eax # sched: [100:0.25]
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; SKYLAKE-NEXT: retq # sched: [7:1.00]
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;
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; SKX-LABEL: test_rdseed_32:
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; SKX: # %bb.0:
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; SKX-NEXT: rdseedl %eax # sched: [100:0.25]
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; SKX-NEXT: retq # sched: [7:1.00]
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;
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; ZNVER1-LABEL: test_rdseed_32:
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; ZNVER1: # %bb.0:
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; ZNVER1-NEXT: rdseedl %eax # sched: [100:?]
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; ZNVER1-NEXT: retq # sched: [1:0.50]
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%call = call {i32, i32} @llvm.x86.rdseed.32()
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%randval = extractvalue {i32, i32} %call, 0
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ret i32 %randval
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}
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define i64 @test_rdseed_64(i64* %random_val) {
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; GENERIC-LABEL: test_rdseed_64:
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; GENERIC: # %bb.0:
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; GENERIC-NEXT: rdseedq %rax # sched: [100:0.33]
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; GENERIC-NEXT: retq # sched: [1:1.00]
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;
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; GOLDMONT-LABEL: test_rdseed_64:
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; GOLDMONT: # %bb.0:
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; GOLDMONT-NEXT: rdseedq %rax # sched: [100:1.00]
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; GOLDMONT-NEXT: retq # sched: [4:1.00]
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;
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; BROADWELL-LABEL: test_rdseed_64:
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; BROADWELL: # %bb.0:
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; BROADWELL-NEXT: rdseedq %rax # sched: [100:0.25]
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; BROADWELL-NEXT: retq # sched: [7:1.00]
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;
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; SKYLAKE-LABEL: test_rdseed_64:
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; SKYLAKE: # %bb.0:
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; SKYLAKE-NEXT: rdseedq %rax # sched: [100:0.25]
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; SKYLAKE-NEXT: retq # sched: [7:1.00]
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;
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; SKX-LABEL: test_rdseed_64:
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; SKX: # %bb.0:
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; SKX-NEXT: rdseedq %rax # sched: [100:0.25]
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; SKX-NEXT: retq # sched: [7:1.00]
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;
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; ZNVER1-LABEL: test_rdseed_64:
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; ZNVER1: # %bb.0:
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; ZNVER1-NEXT: rdseedq %rax # sched: [100:?]
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; ZNVER1-NEXT: retq # sched: [1:0.50]
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%call = call {i64, i32} @llvm.x86.rdseed.64()
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%randval = extractvalue {i64, i32} %call, 0
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ret i64 %randval
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}
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