| ; RUN: opt -mtriple=riscv32-unknown-elf -S -consthoist < %s | FileCheck %s |
| ; RUN: opt -mtriple=riscv64-unknown-elf -S -consthoist < %s | FileCheck %s |
| |
| ; Check that we don't hoist immediates with small values. |
| define i64 @test1(i64 %a) nounwind { |
| ; CHECK-LABEL: test1 |
| ; CHECK-NOT: %const = bitcast i64 2 to i64 |
| %1 = mul i64 %a, 2 |
| %2 = add i64 %1, 2 |
| ret i64 %2 |
| } |
| |
| ; Check that we don't hoist immediates with small values. |
| define i64 @test2(i64 %a) nounwind { |
| ; CHECK-LABEL: test2 |
| ; CHECK-NOT: %const = bitcast i64 2047 to i64 |
| %1 = mul i64 %a, 2047 |
| %2 = add i64 %1, 2047 |
| ret i64 %2 |
| } |
| |
| ; Check that we hoist immediates with large values. |
| define i64 @test3(i64 %a) nounwind { |
| ; CHECK-LABEL: test3 |
| ; CHECK: %const = bitcast i64 32767 to i64 |
| %1 = mul i64 %a, 32767 |
| %2 = add i64 %1, 32767 |
| ret i64 %2 |
| } |
| |
| ; Check that we hoist immediates with very large values. |
| define i128 @test4(i128 %a) nounwind { |
| ; CHECK-LABEL: test4 |
| ; CHECK: %const = bitcast i128 12297829382473034410122878 to i128 |
| %1 = add i128 %a, 12297829382473034410122878 |
| %2 = add i128 %1, 12297829382473034410122878 |
| ret i128 %2 |
| } |