| // RUN: %clang_cc1 -ffreestanding %s -triple=x86_64-unknown-unknown -target-feature +rdrnd -target-feature +rdseed -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK,X64 |
| // RUN: %clang_cc1 -ffreestanding %s -triple=i386-unknown-unknown -target-feature +rdrnd -target-feature +rdseed -emit-llvm -o - -Wall -Werror | FileCheck %s --check-prefixes=CHECK,X86 |
| |
| #include <immintrin.h> |
| |
| int rdrand16(unsigned short *p) { |
| return _rdrand16_step(p); |
| // CHECK: @rdrand16 |
| // CHECK: call { i16, i32 } @llvm.x86.rdrand.16 |
| // CHECK: store i16 |
| } |
| |
| int rdrand32(unsigned *p) { |
| return _rdrand32_step(p); |
| // CHECK: @rdrand32 |
| // CHECK: call { i32, i32 } @llvm.x86.rdrand.32 |
| // CHECK: store i32 |
| } |
| |
| int rdrand64(unsigned long long *p) { |
| return _rdrand64_step(p); |
| // X64: @rdrand64 |
| // X64: call { i64, i32 } @llvm.x86.rdrand.64 |
| // X64: store i64 |
| |
| // X86-LABEL: @rdrand64( |
| // X86-NEXT: entry: |
| // X86-NEXT: [[RETVAL_I:%.*]] = alloca i32, align 4 |
| // X86-NEXT: [[__P_ADDR_I:%.*]] = alloca ptr, align 4 |
| // X86-NEXT: [[__LO_I:%.*]] = alloca i32, align 4 |
| // X86-NEXT: [[__HI_I:%.*]] = alloca i32, align 4 |
| // X86-NEXT: [[__RES_LO_I:%.*]] = alloca i32, align 4 |
| // X86-NEXT: [[__RES_HI_I:%.*]] = alloca i32, align 4 |
| // X86-NEXT: [[P_ADDR:%.*]] = alloca ptr, align 4 |
| // X86-NEXT: store ptr [[P:%.*]], ptr [[P_ADDR]], align 4 |
| // X86-NEXT: [[TMP0:%.*]] = load ptr, ptr [[P_ADDR]], align 4 |
| // X86-NEXT: store ptr [[TMP0]], ptr [[__P_ADDR_I]], align 4 |
| // X86-NEXT: [[TMP1:%.*]] = call { i32, i32 } @llvm.x86.rdrand.32() |
| // X86-NEXT: [[TMP2:%.*]] = extractvalue { i32, i32 } [[TMP1]], 0 |
| // X86-NEXT: store i32 [[TMP2]], ptr [[__LO_I]], align 4 |
| // X86-NEXT: [[TMP3:%.*]] = extractvalue { i32, i32 } [[TMP1]], 1 |
| // X86-NEXT: store i32 [[TMP3]], ptr [[__RES_LO_I]], align 4 |
| // X86-NEXT: [[TMP4:%.*]] = call { i32, i32 } @llvm.x86.rdrand.32() |
| // X86-NEXT: [[TMP5:%.*]] = extractvalue { i32, i32 } [[TMP4]], 0 |
| // X86-NEXT: store i32 [[TMP5]], ptr [[__HI_I]], align 4 |
| // X86-NEXT: [[TMP6:%.*]] = extractvalue { i32, i32 } [[TMP4]], 1 |
| // X86-NEXT: store i32 [[TMP6]], ptr [[__RES_HI_I]], align 4 |
| // X86-NEXT: [[TMP7:%.*]] = load i32, ptr [[__RES_LO_I]], align 4 |
| // X86-NEXT: [[TOBOOL_I:%.*]] = icmp ne i32 [[TMP7]], 0 |
| // X86-NEXT: br i1 [[TOBOOL_I]], label [[LAND_LHS_TRUE_I:%.*]], label [[IF_ELSE_I:%.*]] |
| // X86: land.lhs.true.i: |
| // X86-NEXT: [[TMP8:%.*]] = load i32, ptr [[__RES_HI_I]], align 4 |
| // X86-NEXT: [[TOBOOL1_I:%.*]] = icmp ne i32 [[TMP8]], 0 |
| // X86-NEXT: br i1 [[TOBOOL1_I]], label [[IF_THEN_I:%.*]], label [[IF_ELSE_I]] |
| // X86: if.then.i: |
| // X86-NEXT: [[TMP9:%.*]] = load i32, ptr [[__HI_I]], align 4 |
| // X86-NEXT: [[CONV_I:%.*]] = zext i32 [[TMP9]] to i64 |
| // X86-NEXT: [[SHL_I:%.*]] = shl i64 [[CONV_I]], 32 |
| // X86-NEXT: [[TMP10:%.*]] = load i32, ptr [[__LO_I]], align 4 |
| // X86-NEXT: [[CONV2_I:%.*]] = zext i32 [[TMP10]] to i64 |
| // X86-NEXT: [[OR_I:%.*]] = or i64 [[SHL_I]], [[CONV2_I]] |
| // X86-NEXT: [[TMP11:%.*]] = load ptr, ptr [[__P_ADDR_I]], align 4 |
| // X86-NEXT: store i64 [[OR_I]], ptr [[TMP11]], align 4 |
| // X86-NEXT: store i32 1, ptr [[RETVAL_I]], align 4 |
| // X86-NEXT: br label [[_RDRAND64_STEP_EXIT:%.*]] |
| // X86: if.else.i: |
| // X86-NEXT: [[TMP12:%.*]] = load ptr, ptr [[__P_ADDR_I]], align 4 |
| // X86-NEXT: store i64 0, ptr [[TMP12]], align 4 |
| // X86-NEXT: store i32 0, ptr [[RETVAL_I]], align 4 |
| // X86-NEXT: br label [[_RDRAND64_STEP_EXIT]] |
| // X86: _rdrand64_step.exit: |
| // X86-NEXT: [[TMP13:%.*]] = load i32, ptr [[RETVAL_I]], align 4 |
| // X86-NEXT: ret i32 [[TMP13]] |
| } |
| |
| int rdseed16(unsigned short *p) { |
| return _rdseed16_step(p); |
| // CHECK: @rdseed16 |
| // CHECK: call { i16, i32 } @llvm.x86.rdseed.16 |
| // CHECK: store i16 |
| } |
| |
| int rdseed32(unsigned *p) { |
| return _rdseed32_step(p); |
| // CHECK: @rdseed32 |
| // CHECK: call { i32, i32 } @llvm.x86.rdseed.32 |
| // CHECK: store i32 |
| } |
| |
| #if __x86_64__ |
| int rdseed64(unsigned long long *p) { |
| return _rdseed64_step(p); |
| // X64: @rdseed64 |
| // X64: call { i64, i32 } @llvm.x86.rdseed.64 |
| // X64: store i64 |
| } |
| #endif |
