149 lines
		
	
	
		
			5.3 KiB
		
	
	
	
		
			LLVM
		
	
	
	
			
		
		
	
	
			149 lines
		
	
	
		
			5.3 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=+rdrnd | 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=ivybridge | FileCheck %s --check-prefix=CHECK --check-prefix=IVY
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; RUN: llc < %s -mtriple=x86_64-unknown-unknown -print-schedule -mcpu=haswell | FileCheck %s --check-prefix=CHECK --check-prefix=HASWELL
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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.rdrand.16()
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declare {i32, i32} @llvm.x86.rdrand.32()
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declare {i64, i32} @llvm.x86.rdrand.64()
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define i16 @test_rdrand_16(i16* %random_val) {
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; GENERIC-LABEL: test_rdrand_16:
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; GENERIC:       # %bb.0:
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; GENERIC-NEXT:    rdrandw %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_rdrand_16:
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; GOLDMONT:       # %bb.0:
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; GOLDMONT-NEXT:    rdrandw %ax # sched: [100:1.00]
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; GOLDMONT-NEXT:    retq # sched: [4:1.00]
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;
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; IVY-LABEL: test_rdrand_16:
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; IVY:       # %bb.0:
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; IVY-NEXT:    rdrandw %ax # sched: [100:0.33]
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; IVY-NEXT:    retq # sched: [1:1.00]
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;
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; HASWELL-LABEL: test_rdrand_16:
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; HASWELL:       # %bb.0:
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; HASWELL-NEXT:    rdrandw %ax # sched: [1:5.33]
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; HASWELL-NEXT:    retq # sched: [7:1.00]
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;
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; BROADWELL-LABEL: test_rdrand_16:
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; BROADWELL:       # %bb.0:
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; BROADWELL-NEXT:    rdrandw %ax # sched: [9:1.00]
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; BROADWELL-NEXT:    retq # sched: [7:1.00]
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;
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; SKYLAKE-LABEL: test_rdrand_16:
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; SKYLAKE:       # %bb.0:
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; SKYLAKE-NEXT:    rdrandw %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_rdrand_16:
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; SKX:       # %bb.0:
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; SKX-NEXT:    rdrandw %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_rdrand_16:
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; ZNVER1:       # %bb.0:
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; ZNVER1-NEXT:    rdrandw %ax # sched: [100:0.25]
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; ZNVER1-NEXT:    retq # sched: [1:0.50]
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  %call = call {i16, i32} @llvm.x86.rdrand.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_rdrand_32(i32* %random_val) {
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; GENERIC-LABEL: test_rdrand_32:
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; GENERIC:       # %bb.0:
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; GENERIC-NEXT:    rdrandl %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_rdrand_32:
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; GOLDMONT:       # %bb.0:
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; GOLDMONT-NEXT:    rdrandl %eax # sched: [100:1.00]
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; GOLDMONT-NEXT:    retq # sched: [4:1.00]
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;
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; IVY-LABEL: test_rdrand_32:
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; IVY:       # %bb.0:
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; IVY-NEXT:    rdrandl %eax # sched: [100:0.33]
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; IVY-NEXT:    retq # sched: [1:1.00]
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;
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; HASWELL-LABEL: test_rdrand_32:
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; HASWELL:       # %bb.0:
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; HASWELL-NEXT:    rdrandl %eax # sched: [1:5.33]
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; HASWELL-NEXT:    retq # sched: [7:1.00]
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;
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; BROADWELL-LABEL: test_rdrand_32:
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; BROADWELL:       # %bb.0:
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; BROADWELL-NEXT:    rdrandl %eax # sched: [9:1.00]
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; BROADWELL-NEXT:    retq # sched: [7:1.00]
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;
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; SKYLAKE-LABEL: test_rdrand_32:
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; SKYLAKE:       # %bb.0:
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; SKYLAKE-NEXT:    rdrandl %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_rdrand_32:
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; SKX:       # %bb.0:
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; SKX-NEXT:    rdrandl %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_rdrand_32:
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; ZNVER1:       # %bb.0:
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; ZNVER1-NEXT:    rdrandl %eax # sched: [100:0.25]
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; ZNVER1-NEXT:    retq # sched: [1:0.50]
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  %call = call {i32, i32} @llvm.x86.rdrand.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_rdrand_64(i64* %random_val) {
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; GENERIC-LABEL: test_rdrand_64:
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; GENERIC:       # %bb.0:
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; GENERIC-NEXT:    rdrandq %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_rdrand_64:
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; GOLDMONT:       # %bb.0:
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; GOLDMONT-NEXT:    rdrandq %rax # sched: [100:1.00]
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; GOLDMONT-NEXT:    retq # sched: [4:1.00]
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;
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; IVY-LABEL: test_rdrand_64:
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; IVY:       # %bb.0:
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; IVY-NEXT:    rdrandq %rax # sched: [100:0.33]
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; IVY-NEXT:    retq # sched: [1:1.00]
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;
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; HASWELL-LABEL: test_rdrand_64:
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; HASWELL:       # %bb.0:
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; HASWELL-NEXT:    rdrandq %rax # sched: [1:5.33]
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; HASWELL-NEXT:    retq # sched: [7:1.00]
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;
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; BROADWELL-LABEL: test_rdrand_64:
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; BROADWELL:       # %bb.0:
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; BROADWELL-NEXT:    rdrandq %rax # sched: [9:1.00]
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; BROADWELL-NEXT:    retq # sched: [7:1.00]
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;
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; SKYLAKE-LABEL: test_rdrand_64:
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; SKYLAKE:       # %bb.0:
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; SKYLAKE-NEXT:    rdrandq %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_rdrand_64:
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; SKX:       # %bb.0:
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; SKX-NEXT:    rdrandq %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_rdrand_64:
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; ZNVER1:       # %bb.0:
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; ZNVER1-NEXT:    rdrandq %rax # sched: [100:0.25]
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; ZNVER1-NEXT:    retq # sched: [1:0.50]
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  %call = call {i64, i32} @llvm.x86.rdrand.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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