174 lines
5.2 KiB
LLVM
174 lines
5.2 KiB
LLVM
|
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
|
||
|
|
; RUN: opt < %s -slsr -gvn -S | FileCheck %s
|
||
|
|
; RUN: opt < %s -passes='slsr,gvn' -S | FileCheck %s
|
||
|
|
|
||
|
|
target datalayout = "e-i64:64-v16:16-v32:32-n16:32:64"
|
||
|
|
|
||
|
|
define void @shl(i32 %b, i32 %s) {
|
||
|
|
; CHECK-LABEL: @shl(
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add i32 [[B:%.*]], [[S:%.*]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T1]])
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[S]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T2]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%t1 = add i32 %b, %s
|
||
|
|
call void @foo(i32 %t1)
|
||
|
|
%s2 = shl i32 %s, 1
|
||
|
|
%t2 = add i32 %b, %s2
|
||
|
|
call void @foo(i32 %t2)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @stride_is_2s(i32 %b, i32 %s) {
|
||
|
|
; CHECK-LABEL: @stride_is_2s(
|
||
|
|
; CHECK-NEXT: [[S2:%.*]] = shl i32 [[S:%.*]], 1
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add i32 [[B:%.*]], [[S2]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T1]])
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[S2]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T2]])
|
||
|
|
; CHECK-NEXT: [[T3:%.*]] = add i32 [[T2]], [[S2]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%s2 = shl i32 %s, 1
|
||
|
|
%t1 = add i32 %b, %s2
|
||
|
|
call void @foo(i32 %t1)
|
||
|
|
%s4 = shl i32 %s, 2
|
||
|
|
%t2 = add i32 %b, %s4
|
||
|
|
call void @foo(i32 %t2)
|
||
|
|
%s6 = mul i32 %s, 6
|
||
|
|
%t3 = add i32 %b, %s6
|
||
|
|
call void @foo(i32 %t3)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @stride_is_3s(i32 %b, i32 %s) {
|
||
|
|
; CHECK-LABEL: @stride_is_3s(
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add i32 [[S:%.*]], [[B:%.*]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T1]])
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = mul i32 [[S]], 3
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = add i32 [[T1]], [[TMP1]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T2]])
|
||
|
|
; CHECK-NEXT: [[T3:%.*]] = add i32 [[T2]], [[TMP1]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%t1 = add i32 %s, %b
|
||
|
|
call void @foo(i32 %t1)
|
||
|
|
%s4 = shl i32 %s, 2
|
||
|
|
%t2 = add i32 %s4, %b
|
||
|
|
call void @foo(i32 %t2)
|
||
|
|
%s7 = mul i32 %s, 7
|
||
|
|
%t3 = add i32 %s7, %b
|
||
|
|
call void @foo(i32 %t3)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; foo(b + 6 * s);
|
||
|
|
; foo(b + 4 * s);
|
||
|
|
; foo(b + 2 * s);
|
||
|
|
; =>
|
||
|
|
; t1 = b + 6 * s;
|
||
|
|
; foo(t1);
|
||
|
|
; s2 = 2 * s;
|
||
|
|
; t2 = t1 - s2;
|
||
|
|
; foo(t2);
|
||
|
|
; t3 = t2 - s2;
|
||
|
|
; foo(t3);
|
||
|
|
define void @stride_is_minus_2s(i32 %b, i32 %s) {
|
||
|
|
; CHECK-LABEL: @stride_is_minus_2s(
|
||
|
|
; CHECK-NEXT: [[S6:%.*]] = mul i32 [[S:%.*]], 6
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add i32 [[B:%.*]], [[S6]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T1]])
|
||
|
|
; CHECK-NEXT: [[TMP1:%.*]] = shl i32 [[S]], 1
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = sub i32 [[T1]], [[TMP1]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T2]])
|
||
|
|
; CHECK-NEXT: [[T3:%.*]] = sub i32 [[T2]], [[TMP1]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%s6 = mul i32 %s, 6
|
||
|
|
%t1 = add i32 %b, %s6
|
||
|
|
call void @foo(i32 %t1)
|
||
|
|
%s4 = shl i32 %s, 2
|
||
|
|
%t2 = add i32 %b, %s4
|
||
|
|
call void @foo(i32 %t2)
|
||
|
|
%s2 = shl i32 %s, 1
|
||
|
|
%t3 = add i32 %b, %s2
|
||
|
|
call void @foo(i32 %t3)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; TODO: This pass is targeted at simple address-calcs, so it is artificially limited to
|
||
|
|
; match scalar values. The code could be modified to handle vector types too.
|
||
|
|
|
||
|
|
define void @stride_is_minus_2s_vec(<2 x i32> %b, <2 x i32> %s) {
|
||
|
|
; CHECK-LABEL: @stride_is_minus_2s_vec(
|
||
|
|
; CHECK-NEXT: [[S6:%.*]] = mul <2 x i32> [[S:%.*]], <i32 6, i32 6>
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add <2 x i32> [[B:%.*]], [[S6]]
|
||
|
|
; CHECK-NEXT: call void @voo(<2 x i32> [[T1]])
|
||
|
|
; CHECK-NEXT: [[S4:%.*]] = shl <2 x i32> [[S]], <i32 2, i32 2>
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = add <2 x i32> [[B]], [[S4]]
|
||
|
|
; CHECK-NEXT: call void @voo(<2 x i32> [[T2]])
|
||
|
|
; CHECK-NEXT: [[S2:%.*]] = shl <2 x i32> [[S]], <i32 1, i32 1>
|
||
|
|
; CHECK-NEXT: [[T3:%.*]] = add <2 x i32> [[B]], [[S2]]
|
||
|
|
; CHECK-NEXT: call void @voo(<2 x i32> [[T3]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%s6 = mul <2 x i32> %s, <i32 6, i32 6>
|
||
|
|
%t1 = add <2 x i32> %b, %s6
|
||
|
|
call void @voo(<2 x i32> %t1)
|
||
|
|
%s4 = shl <2 x i32> %s, <i32 2, i32 2>
|
||
|
|
%t2 = add <2 x i32> %b, %s4
|
||
|
|
call void @voo(<2 x i32> %t2)
|
||
|
|
%s2 = shl <2 x i32> %s, <i32 1, i32 1>
|
||
|
|
%t3 = add <2 x i32> %b, %s2
|
||
|
|
call void @voo(<2 x i32> %t3)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
; t = b + (s << 3);
|
||
|
|
; foo(t);
|
||
|
|
; foo(b + s);
|
||
|
|
;
|
||
|
|
; do not rewrite b + s to t - 7 * s because the latter is more complicated.
|
||
|
|
define void @simple_enough(i32 %b, i32 %s) {
|
||
|
|
; CHECK-LABEL: @simple_enough(
|
||
|
|
; CHECK-NEXT: [[S8:%.*]] = shl i32 [[S:%.*]], 3
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add i32 [[B:%.*]], [[S8]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T1]])
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = add i32 [[B]], [[S]]
|
||
|
|
; CHECK-NEXT: call void @foo(i32 [[T2]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%s8 = shl i32 %s, 3
|
||
|
|
%t1 = add i32 %b, %s8
|
||
|
|
call void @foo(i32 %t1)
|
||
|
|
%t2 = add i32 %b, %s
|
||
|
|
call void @foo(i32 %t2)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
define void @slsr_strided_add_128bit(i128 %b, i128 %s) {
|
||
|
|
; CHECK-LABEL: @slsr_strided_add_128bit(
|
||
|
|
; CHECK-NEXT: [[S125:%.*]] = shl i128 [[S:%.*]], 125
|
||
|
|
; CHECK-NEXT: [[T1:%.*]] = add i128 [[B:%.*]], [[S125]]
|
||
|
|
; CHECK-NEXT: call void @bar(i128 [[T1]])
|
||
|
|
; CHECK-NEXT: [[T2:%.*]] = add i128 [[T1]], [[S125]]
|
||
|
|
; CHECK-NEXT: call void @bar(i128 [[T2]])
|
||
|
|
; CHECK-NEXT: ret void
|
||
|
|
;
|
||
|
|
%s125 = shl i128 %s, 125
|
||
|
|
%s126 = shl i128 %s, 126
|
||
|
|
%t1 = add i128 %b, %s125
|
||
|
|
call void @bar(i128 %t1)
|
||
|
|
%t2 = add i128 %b, %s126
|
||
|
|
call void @bar(i128 %t2)
|
||
|
|
ret void
|
||
|
|
}
|
||
|
|
|
||
|
|
declare void @foo(i32)
|
||
|
|
declare void @voo(<2 x i32>)
|
||
|
|
declare void @bar(i128)
|