| ; RUN: llc < %s -O0 -fast-isel-abort -mtriple=armv7-apple-darwin |
| ; RUN: llc < %s -O0 -fast-isel-abort -mtriple=thumbv7-apple-darwin |
| |
| ; Very basic fast-isel functionality. |
| |
| define i32 @add(i32 %a, i32 %b) nounwind { |
| entry: |
| %a.addr = alloca i32, align 4 |
| %b.addr = alloca i32, align 4 |
| store i32 %a, i32* %a.addr |
| store i32 %b, i32* %b.addr |
| %tmp = load i32* %a.addr |
| %tmp1 = load i32* %b.addr |
| %add = add nsw i32 %tmp, %tmp1 |
| ret i32 %add |
| } |
| |
| define i32* @foo(i32* %p, i32* %q, i32** %z) nounwind { |
| entry: |
| %r = load i32* %p |
| %s = load i32* %q |
| %y = load i32** %z |
| br label %fast |
| |
| fast: |
| %t0 = add i32 %r, %s |
| %t1 = mul i32 %t0, %s |
| %t2 = sub i32 %t1, %s |
| %t3 = and i32 %t2, %s |
| %t4 = xor i32 %t3, 3 |
| %t5 = xor i32 %t4, %s |
| %t6 = add i32 %t5, 2 |
| %t7 = getelementptr i32* %y, i32 1 |
| %t8 = getelementptr i32* %t7, i32 %t6 |
| br label %exit |
| |
| exit: |
| ret i32* %t8 |
| } |