| ; RUN: opt < %s -cost-model -analyze -mtriple=systemz-unknown -mcpu=z13 \ |
| ; RUN: | FileCheck %s |
| ; |
| ; Test that i8/i16 operands get extra costs for extensions to i32 only in |
| ; cases where this is needed. |
| |
| define void @icmp() { |
| %li8_0 = load i8, i8* undef |
| %li8_1 = load i8, i8* undef |
| icmp slt i8 %li8_0, %li8_1 |
| |
| %a0 = add i8 %li8_0, 1 |
| %a1 = add i8 %li8_1, 1 |
| icmp slt i8 %a0, %a1 |
| |
| icmp slt i8 %a0, 123 |
| |
| %li16_0 = load i16, i16* undef |
| %li16_1 = load i16, i16* undef |
| icmp slt i16 %li16_0, %li16_1 |
| |
| %a2 = add i16 %li16_0, 1 |
| %a3 = add i16 %li16_1, 1 |
| icmp slt i16 %a2, %a3 |
| |
| icmp slt i16 %a2, 123 |
| |
| ret void; |
| ; CHECK: Printing analysis 'Cost Model Analysis' for function 'icmp': |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li8_0 = load i8, i8* undef |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li8_1 = load i8, i8* undef |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %1 = icmp slt i8 %li8_0, %li8_1 |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a0 = add i8 %li8_0, 1 |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a1 = add i8 %li8_1, 1 |
| ; CHECK: Cost Model: Found an estimated cost of 3 for instruction: %2 = icmp slt i8 %a0, %a1 |
| ; CHECK: Cost Model: Found an estimated cost of 2 for instruction: %3 = icmp slt i8 %a0, 123 |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li16_0 = load i16, i16* undef |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %li16_1 = load i16, i16* undef |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %4 = icmp slt i16 %li16_0, %li16_1 |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a2 = add i16 %li16_0, 1 |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: %a3 = add i16 %li16_1, 1 |
| ; CHECK: Cost Model: Found an estimated cost of 3 for instruction: %5 = icmp slt i16 %a2, %a3 |
| ; CHECK: Cost Model: Found an estimated cost of 2 for instruction: %6 = icmp slt i16 %a2, 123 |
| ; CHECK: Cost Model: Found an estimated cost of 1 for instruction: ret void |
| } |