1 ; RUN: llc < %s -fast-isel -fast-isel-abort -mtriple=x86_64-apple-darwin10 | FileCheck %s 2 3 ; Test conditional move for the supported types (i16, i32, and i32) and 4 ; conditon input (argument or cmp). Currently i8 is not supported. 5 6 define zeroext i16 @select_cmov_i16(i1 zeroext %cond, i16 zeroext %a, i16 zeroext %b) { 7 ; CHECK-LABEL: select_cmov_i16 8 ; CHECK: testb $1, %dil 9 ; CHECK-NEXT: cmovew %dx, %si 10 ; CHECK-NEXT: movzwl %si, %eax 11 %1 = select i1 %cond, i16 %a, i16 %b 12 ret i16 %1 13 } 14 15 define zeroext i16 @select_cmp_cmov_i16(i16 zeroext %a, i16 zeroext %b) { 16 ; CHECK-LABEL: select_cmp_cmov_i16 17 ; CHECK: cmpw %si, %di 18 ; CHECK-NEXT: cmovbw %di, %si 19 ; CHECK-NEXT: movzwl %si, %eax 20 %1 = icmp ult i16 %a, %b 21 %2 = select i1 %1, i16 %a, i16 %b 22 ret i16 %2 23 } 24 25 define i32 @select_cmov_i32(i1 zeroext %cond, i32 %a, i32 %b) { 26 ; CHECK-LABEL: select_cmov_i32 27 ; CHECK: testb $1, %dil 28 ; CHECK-NEXT: cmovel %edx, %esi 29 ; CHECK-NEXT: movl %esi, %eax 30 %1 = select i1 %cond, i32 %a, i32 %b 31 ret i32 %1 32 } 33 34 define i32 @select_cmp_cmov_i32(i32 %a, i32 %b) { 35 ; CHECK-LABEL: select_cmp_cmov_i32 36 ; CHECK: cmpl %esi, %edi 37 ; CHECK-NEXT: cmovbl %edi, %esi 38 ; CHECK-NEXT: movl %esi, %eax 39 %1 = icmp ult i32 %a, %b 40 %2 = select i1 %1, i32 %a, i32 %b 41 ret i32 %2 42 } 43 44 define i64 @select_cmov_i64(i1 zeroext %cond, i64 %a, i64 %b) { 45 ; CHECK-LABEL: select_cmov_i64 46 ; CHECK: testb $1, %dil 47 ; CHECK-NEXT: cmoveq %rdx, %rsi 48 ; CHECK-NEXT: movq %rsi, %rax 49 %1 = select i1 %cond, i64 %a, i64 %b 50 ret i64 %1 51 } 52 53 define i64 @select_cmp_cmov_i64(i64 %a, i64 %b) { 54 ; CHECK-LABEL: select_cmp_cmov_i64 55 ; CHECK: cmpq %rsi, %rdi 56 ; CHECK-NEXT: cmovbq %rdi, %rsi 57 ; CHECK-NEXT: movq %rsi, %rax 58 %1 = icmp ult i64 %a, %b 59 %2 = select i1 %1, i64 %a, i64 %b 60 ret i64 %2 61 } 62 63
