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llvm-mirror/test/CodeGen/NVPTX/sched1.ll
Dehao Chen 37da4a5e47 Only enable LiveRangeShrink for x86.
Summary: Moving LiveRangeShrink to x86 as this pass is mostly useful for archtectures with great register pressure.

Reviewers: MatzeB, qcolombet

Reviewed By: qcolombet

Subscribers: jholewinski, jyknight, javed.absar, llvm-commits

Differential Revision: https://reviews.llvm.org/D33294

llvm-svn: 303292
2017-05-17 20:18:13 +00:00

32 lines
713 B
LLVM

; RUN: llc < %s -march=nvptx -mcpu=sm_20 | FileCheck %s
; Ensure source scheduling is working
define void @foo(i32* %a) {
; CHECK: .func foo
; CHECK: ld.u32
; CHECK-NEXT: ld.u32
; CHECK-NEXT: ld.u32
; CHECK-NEXT: ld.u32
; CHECK-NEXT: add.s32
; CHECK-NEXT: add.s32
; CHECK-NEXT: add.s32
%ptr0 = getelementptr i32, i32* %a, i32 0
%val0 = load i32, i32* %ptr0
%ptr1 = getelementptr i32, i32* %a, i32 1
%val1 = load i32, i32* %ptr1
%ptr2 = getelementptr i32, i32* %a, i32 2
%val2 = load i32, i32* %ptr2
%ptr3 = getelementptr i32, i32* %a, i32 3
%val3 = load i32, i32* %ptr3
%t0 = add i32 %val0, %val1
%t1 = add i32 %t0, %val2
%t2 = add i32 %t1, %val3
store i32 %t2, i32* %a
ret void
}