1; This tests various strength reduction operations. 2 3; RUN: %if --need=target_X8632 --command %p2i --filetype=obj --disassemble \ 4; RUN: --target x8632 -i %s --args -O2 \ 5; RUN: | %if --need=target_X8632 --command FileCheck %s 6 7define internal i32 @mul_i32_arg_5(i32 %arg) { 8 %result = mul i32 %arg, 5 9 ret i32 %result 10} 11; CHECK-LABEL: mul_i32_arg_5 12; CHECK: lea [[REG:e..]],{{\[}}[[REG]]+[[REG]]*4] 13 14define internal i32 @mul_i32_5_arg(i32 %arg) { 15 %result = mul i32 5, %arg 16 ret i32 %result 17} 18; CHECK-LABEL: mul_i32_5_arg 19; CHECK: lea [[REG:e..]],{{\[}}[[REG]]+[[REG]]*4] 20 21define internal i32 @mul_i32_arg_18(i32 %arg) { 22 %result = mul i32 %arg, 18 23 ret i32 %result 24} 25; CHECK-LABEL: mul_i32_arg_18 26; CHECK-DAG: lea [[REG:e..]],{{\[}}[[REG]]+[[REG]]*8] 27; CHECK-DAG: shl [[REG]],1 28 29define internal i32 @mul_i32_arg_27(i32 %arg) { 30 %result = mul i32 %arg, 27 31 ret i32 %result 32} 33; CHECK-LABEL: mul_i32_arg_27 34; CHECK-DAG: lea [[REG:e..]],{{\[}}[[REG]]+[[REG]]*2] 35; CHECK-DAG: lea [[REG]],{{\[}}[[REG]]+[[REG]]*8] 36 37define internal i32 @mul_i32_arg_m45(i32 %arg) { 38 %result = mul i32 %arg, -45 39 ret i32 %result 40} 41; CHECK-LABEL: mul_i32_arg_m45 42; CHECK-DAG: lea [[REG:e..]],{{\[}}[[REG]]+[[REG]]*8] 43; CHECK-DAG: lea [[REG]],{{\[}}[[REG]]+[[REG]]*4] 44; CHECK: neg [[REG]] 45 46define internal i32 @mul_i16_arg_18(i32 %arg) { 47 %arg.16 = trunc i32 %arg to i16 48 %result = mul i16 %arg.16, 18 49 %result.i32 = zext i16 %result to i32 50 ret i32 %result.i32 51} 52; CHECK-LABEL: mul_i16_arg_18 53; CHECK: imul 54 55define internal i32 @mul_i8_arg_16(i32 %arg) { 56 %arg.8 = trunc i32 %arg to i8 57 %result = mul i8 %arg.8, 16 58 %result.i32 = zext i8 %result to i32 59 ret i32 %result.i32 60} 61; CHECK-LABEL: mul_i8_arg_16 62; CHECK: shl {{.*}},0x4 63 64define internal i32 @mul_i8_arg_18(i32 %arg) { 65 %arg.8 = trunc i32 %arg to i8 66 %result = mul i8 %arg.8, 18 67 %result.i32 = zext i8 %result to i32 68 ret i32 %result.i32 69} 70; CHECK-LABEL: mul_i8_arg_18 71; CHECK: imul 72