| Evandro Menezes | fcca45f | 2018-07-27 18:16:47 +0000 | [diff] [blame] | 1 | ; RUN: llc %s -o - -mtriple=armv8-unknown -mattr=-fuse-literals,+use-misched | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKDONT |
| 2 | ; RUN: llc %s -o - -mtriple=armv8-unknown -mattr=+fuse-literals,+use-misched | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE |
| 3 | |
| 4 | @g = common global i32* zeroinitializer |
| 5 | |
| 6 | define i32* @litp(i32 %a, i32 %b) { |
| 7 | entry: |
| 8 | %add = add nsw i32 %b, %a |
| 9 | %ptr = getelementptr i32, i32* bitcast (i32* (i32, i32)* @litp to i32*), i32 %add |
| 10 | %res = getelementptr i32, i32* bitcast (i32** @g to i32*), i32 %add |
| 11 | store i32* %ptr, i32** @g, align 4 |
| 12 | ret i32* %res |
| 13 | |
| 14 | ; CHECK-LABEL: litp: |
| 15 | ; CHECK: movw [[R:r[0-9]+]], :lower16:litp |
| 16 | ; CHECKDONT-NEXT: movw [[S:r[0-9]+]], :lower16:g |
| 17 | ; CHECKFUSE-NEXT: movt [[R]], :upper16:litp |
| 18 | ; CHECKFUSE-NEXT: movw [[S:r[0-9]+]], :lower16:g |
| 19 | ; CHECKFUSE-NEXT: movt [[S]], :upper16:g |
| 20 | } |
| 21 | |
| 22 | define i32 @liti(i32 %a, i32 %b) { |
| 23 | entry: |
| 24 | %adda = add i32 %a, -262095121 |
| 25 | %add1 = add i32 %adda, %b |
| 26 | %addb = add i32 %b, 121110837 |
| 27 | %add2 = add i32 %addb, %a |
| 28 | store i32 %add1, i32* bitcast (i32** @g to i32*), align 4 |
| 29 | ret i32 %add2 |
| 30 | |
| 31 | ; CHECK-LABEL: liti: |
| 32 | ; CHECK: movw [[R:r[0-9]+]], #309 |
| 33 | ; CHECKDONT-NEXT: add {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}} |
| 34 | ; CHECKFUSE-NEXT: movt [[R]], #1848 |
| 35 | ; CHECKFUSE: movw [[S:r[0-9]+]], :lower16:g |
| 36 | ; CHECKFUSE-NEXT: movt [[S]], :upper16:g |
| 37 | ; CHECKFUSE-NEXT: movw [[T:r[0-9]+]], #48879 |
| 38 | ; CHECKFUSE-NEXT: movt [[T]], #61536 |
| 39 | } |