| Chris Lattner | fd3f635 | 2011-04-17 06:35:44 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -fast-isel -O0 -regalloc=fast | FileCheck %s |
| Chris Lattner | fff65b3 | 2011-04-17 01:16:47 +0000 | [diff] [blame] | 2 | |
| 3 | target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" |
| 4 | target triple = "x86_64-apple-darwin10.0.0" |
| 5 | |
| 6 | ; Make sure that fast-isel folds the immediate into the binop even though it |
| 7 | ; is non-canonical. |
| 8 | define i32 @test1(i32 %i) nounwind ssp { |
| 9 | %and = and i32 8, %i |
| 10 | ret i32 %and |
| 11 | } |
| 12 | |
| 13 | ; CHECK: test1: |
| 14 | ; CHECK: andl $8, |
| Chris Lattner | fd3f635 | 2011-04-17 06:35:44 +0000 | [diff] [blame] | 15 | |
| 16 | |
| 17 | ; rdar://9289512 - The load should fold into the compare. |
| 18 | define void @test2(i64 %x) nounwind ssp { |
| 19 | entry: |
| 20 | %x.addr = alloca i64, align 8 |
| 21 | store i64 %x, i64* %x.addr, align 8 |
| 22 | %tmp = load i64* %x.addr, align 8 |
| 23 | %cmp = icmp sgt i64 %tmp, 42 |
| 24 | br i1 %cmp, label %if.then, label %if.end |
| 25 | |
| 26 | if.then: ; preds = %entry |
| 27 | br label %if.end |
| 28 | |
| 29 | if.end: ; preds = %if.then, %entry |
| 30 | ret void |
| 31 | } |
| 32 | |
| 33 | ; CHECK: test2: |
| 34 | ; CHECK: movq %rdi, -8(%rsp) |
| 35 | ; CHECK: cmpq $42, -8(%rsp) |
| Chris Lattner | 685090f | 2011-04-17 17:12:08 +0000 | [diff] [blame^] | 36 | |
| 37 | |
| 38 | |
| 39 | @G = external global i32 |
| 40 | define i64 @test3() nounwind { |
| 41 | %A = ptrtoint i32* @G to i64 |
| 42 | ret i64 %A |
| 43 | } |
| 44 | |
| 45 | ; CHECK: test3: |
| 46 | ; CHECK: movq _G@GOTPCREL(%rip), %rax |
| 47 | ; CHECK-NEXT: ret |