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[ARM] Extra qdadd patterns

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This adds some new qdadd patterns to go along with the other recently added
qadd's.

Differential Revision: https://reviews.llvm.org/D68999


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@375414 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Green
2019-10-21 14:06:49 +00:00
parent 471eaccd51
commit 8c479efe73
3 changed files with 14 additions and 12 deletions
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test/CodeGen/ARM/qdadd.ll
+6 -12
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@@ -36,14 +36,12 @@ define i32 @qdadd(i32 %x, i32 %y) nounwind {
;
; CHECK-T2DSP-LABEL: qdadd:
; CHECK-T2DSP: @ %bb.0:
; CHECK-T2DSP-NEXT: qadd r0, r0, r0
; CHECK-T2DSP-NEXT: qadd r0, r0, r1
; CHECK-T2DSP-NEXT: qdadd r0, r0, r1
; CHECK-T2DSP-NEXT: bx lr
;
; CHECK-ARM-LABEL: qdadd:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: qadd r0, r0, r0
; CHECK-ARM-NEXT: qadd r0, r0, r1
; CHECK-ARM-NEXT: qdadd r0, r0, r1
; CHECK-ARM-NEXT: bx lr
%z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x)
%tmp = call i32 @llvm.sadd.sat.i32(i32 %z, i32 %y)
@@ -82,14 +80,12 @@ define i32 @qdadd_c(i32 %x, i32 %y) nounwind {
;
; CHECK-T2DSP-LABEL: qdadd_c:
; CHECK-T2DSP: @ %bb.0:
; CHECK-T2DSP-NEXT: qadd r0, r0, r0
; CHECK-T2DSP-NEXT: qadd r0, r1, r0
; CHECK-T2DSP-NEXT: qdadd r0, r0, r1
; CHECK-T2DSP-NEXT: bx lr
;
; CHECK-ARM-LABEL: qdadd_c:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: qadd r0, r0, r0
; CHECK-ARM-NEXT: qadd r0, r1, r0
; CHECK-ARM-NEXT: qdadd r0, r0, r1
; CHECK-ARM-NEXT: bx lr
%z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x)
%tmp = call i32 @llvm.sadd.sat.i32(i32 %y, i32 %z)
@@ -128,14 +124,12 @@ define i32 @qdsub(i32 %x, i32 %y) nounwind {
;
; CHECK-T2DSP-LABEL: qdsub:
; CHECK-T2DSP: @ %bb.0:
; CHECK-T2DSP-NEXT: qadd r0, r0, r0
; CHECK-T2DSP-NEXT: qsub r0, r1, r0
; CHECK-T2DSP-NEXT: qdsub r0, r1, r0
; CHECK-T2DSP-NEXT: bx lr
;
; CHECK-ARM-LABEL: qdsub:
; CHECK-ARM: @ %bb.0:
; CHECK-ARM-NEXT: qadd r0, r0, r0
; CHECK-ARM-NEXT: qsub r0, r1, r0
; CHECK-ARM-NEXT: qdsub r0, r1, r0
; CHECK-ARM-NEXT: bx lr
%z = call i32 @llvm.sadd.sat.i32(i32 %x, i32 %x)
%tmp = call i32 @llvm.ssub.sat.i32(i32 %y, i32 %z)