1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2 2; RUN: llc < %s -mtriple=i686-apple-darwin | FileCheck -check-prefix=DARWIN %s 3; RUN: opt < %s -O2 | llc -mtriple=x86_64-apple-darwin | FileCheck -check-prefix=DARWIN-OPT %s 4 5define i64 @or_and_fold(i64 %x, i64 %y) { 6; DARWIN-LABEL: or_and_fold: 7; DARWIN: ## %bb.0: 8; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax 9; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %edx 10; DARWIN-NEXT: retl 11; 12; DARWIN-OPT-LABEL: or_and_fold: 13; DARWIN-OPT: ## %bb.0: 14; DARWIN-OPT-NEXT: movq %rdi, %rax 15; DARWIN-OPT-NEXT: retq 16 %and = and i64 %x, %y 17 %or = or i64 %x, %and 18 ret i64 %or 19} 20 21define i32 @or_and_trunc_fold(i64 %x, i64 %y) { 22; DARWIN-LABEL: or_and_trunc_fold: 23; DARWIN: ## %bb.0: 24; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax 25; DARWIN-NEXT: retl 26; 27; DARWIN-OPT-LABEL: or_and_trunc_fold: 28; DARWIN-OPT: ## %bb.0: 29; DARWIN-OPT-NEXT: movq %rdi, %rax 30; DARWIN-OPT-NEXT: ## kill: def $eax killed $eax killed $rax 31; DARWIN-OPT-NEXT: retq 32 %tx = trunc i64 %x to i32 33 %and = and i64 %x, %y 34 %tand = trunc i64 %and to i32 35 %or = or i32 %tx, %tand 36 ret i32 %or 37} 38 39; The dag combiner should fold together (x&127)|(y&16711680) -> (x|y)&c1 40; in this case. 41 42define i32 @test1(i32 %x, i16 %y) { 43; DARWIN-LABEL: test1: 44; DARWIN: ## %bb.0: 45; DARWIN-NEXT: movzwl {{[0-9]+}}(%esp), %ecx 46; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax 47; DARWIN-NEXT: shll $16, %eax 48; DARWIN-NEXT: orl %ecx, %eax 49; DARWIN-NEXT: andl $16711807, %eax ## imm = 0xFF007F 50; DARWIN-NEXT: retl 51; 52; DARWIN-OPT-LABEL: test1: 53; DARWIN-OPT: ## %bb.0: 54; DARWIN-OPT-NEXT: andl $127, %esi 55; DARWIN-OPT-NEXT: movzbl %dil, %eax 56; DARWIN-OPT-NEXT: shll $16, %eax 57; DARWIN-OPT-NEXT: orl %esi, %eax 58; DARWIN-OPT-NEXT: retq 59 %tmp1 = zext i16 %y to i32 60 %tmp2 = and i32 %tmp1, 127 61 %tmp4 = shl i32 %x, 16 62 %tmp5 = and i32 %tmp4, 16711680 63 %tmp6 = or i32 %tmp2, %tmp5 64 ret i32 %tmp6 65} 66 67; <rdar://problem/7529774> The optimizer shouldn't fold this into (and (or, C), D) 68; if (C & D) == 0 69define i64 @test2(i64 %x) nounwind readnone ssp { 70; DARWIN-LABEL: test2: 71; DARWIN: ## %bb.0: ## %entry 72; DARWIN-NEXT: movl {{[0-9]+}}(%esp), %eax 73; DARWIN-NEXT: orl $3, %eax 74; DARWIN-NEXT: andl $123127, %eax ## imm = 0x1E0F7 75; DARWIN-NEXT: xorl %edx, %edx 76; DARWIN-NEXT: retl 77; 78; DARWIN-OPT-LABEL: test2: 79; DARWIN-OPT: ## %bb.0: ## %entry 80; DARWIN-OPT-NEXT: andl $123124, %edi ## imm = 0x1E0F4 81; DARWIN-OPT-NEXT: leaq 3(%rdi), %rax 82; DARWIN-OPT-NEXT: retq 83entry: 84 %tmp1 = and i64 %x, 123127 85 %tmp2 = or i64 %tmp1, 3 86 ret i64 %tmp2 87} 88