| ; RUN: llc %s -o - -mtriple=armv8-unknown -mattr=-fuse-literals,+use-misched | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKDONT |
| ; RUN: llc %s -o - -mtriple=armv8-unknown -mattr=+fuse-literals,+use-misched | FileCheck %s --check-prefix=CHECK --check-prefix=CHECKFUSE |
| |
| @g = common global ptr zeroinitializer |
| |
| define ptr @litp(i32 %a, i32 %b) { |
| entry: |
| %add = add nsw i32 %b, %a |
| %ptr = getelementptr i32, ptr @litp, i32 %add |
| %res = getelementptr i32, ptr @g, i32 %add |
| store ptr %ptr, ptr @g, align 4 |
| ret ptr %res |
| |
| ; CHECK-LABEL: litp: |
| ; CHECK: movw [[R:r[0-9]+]], :lower16:litp |
| ; CHECKDONT-NEXT: movw [[S:r[0-9]+]], :lower16:g |
| ; CHECKFUSE-NEXT: movt [[R]], :upper16:litp |
| ; CHECKFUSE-NEXT: movw [[S:r[0-9]+]], :lower16:g |
| ; CHECKFUSE-NEXT: movt [[S]], :upper16:g |
| } |
| |
| define i32 @liti(i32 %a, i32 %b) { |
| entry: |
| %adda = add i32 %a, -262095121 |
| %add1 = add i32 %adda, %b |
| %addb = add i32 %b, 121110837 |
| %add2 = add i32 %addb, %a |
| store i32 %add1, ptr @g, align 4 |
| ret i32 %add2 |
| |
| ; CHECK-LABEL: liti: |
| ; CHECK: movw [[R:r[0-9]+]], #309 |
| ; CHECKDONT-NEXT: add {{r[0-9]+}}, {{r[0-9]+}}, {{r[0-9]+}} |
| ; CHECKFUSE-NEXT: movt [[R]], #1848 |
| ; CHECKFUSE: movw [[S:r[0-9]+]], :lower16:g |
| ; CHECKFUSE-NEXT: movt [[S]], :upper16:g |
| ; CHECKFUSE-NEXT: movw [[T:r[0-9]+]], #48879 |
| ; CHECKFUSE-NEXT: movt [[T]], #61536 |
| } |