-
Notifications
You must be signed in to change notification settings - Fork 13.6k
Handle Call Operand vxi1 in Hexagon Backend #128027
New issue
Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.
By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.
Already on GitHub? Sign in to your account
Conversation
This commit updates the Hexagon backend to handle vxi1 call operands. It ensures compatibility for vector types of sizes 4, 8, 16, 32, 64, and 128 x i1 when HVX is enabled. Change-Id: I601157c1a5a2258797440f1af88ffd1fde36b9b7
@llvm/pr-subscribers-backend-hexagon Author: None (pkarveti) ChangesThis commit updates the Hexagon backend to handle Full diff: https://github.com/llvm/llvm-project/pull/128027.diff 7 Files Affected:
diff --git a/llvm/lib/Target/Hexagon/HexagonCallingConv.td b/llvm/lib/Target/Hexagon/HexagonCallingConv.td
index cc41b569e4904..2378bbc928d49 100644
--- a/llvm/lib/Target/Hexagon/HexagonCallingConv.td
+++ b/llvm/lib/Target/Hexagon/HexagonCallingConv.td
@@ -65,6 +65,8 @@ def CC_Hexagon: CallingConv<[
CCIfType<[i32],
CCIfSplit<
CCCustom<"CC_SkipOdd">>>,
+ CCIfType<[v4i1], CCPromoteToType<v4i16>>,
+ CCIfType<[v8i1], CCPromoteToType<v8i8>>,
CCIfType<[i32,v2i16,v4i8],
CCAssignToReg<[R0,R1,R2,R3,R4,R5]>>,
@@ -111,6 +113,14 @@ class CCIfHvx128<CCAction A>
def CC_Hexagon_HVX: CallingConv<[
// HVX 64-byte mode
+
+ CCIfHvx64<
+ CCIfType<[v16i1], CCPromoteToType<v16i32>>>,
+ CCIfHvx64<
+ CCIfType<[v32i1], CCPromoteToType<v32i16>>>,
+ CCIfHvx64<
+ CCIfType<[v64i1], CCPromoteToType<v64i8>>>,
+
CCIfHvx64<
CCIfType<[v16i32,v32i16,v64i8],
CCAssignToReg<[V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15]>>>,
@@ -125,6 +135,14 @@ def CC_Hexagon_HVX: CallingConv<[
CCAssignToStack<128,64>>>,
// HVX 128-byte mode
+
+ CCIfHvx128<
+ CCIfType<[v32i1], CCPromoteToType<v32i32>>>,
+ CCIfHvx128<
+ CCIfType<[v64i1], CCPromoteToType<v64i16>>>,
+ CCIfHvx128<
+ CCIfType<[v128i1], CCPromoteToType<v128i8>>>,
+
CCIfHvx128<
CCIfType<[v32i32,v64i16,v128i8,v32f32,v64f16],
CCAssignToReg<[V0,V1,V2,V3,V4,V5,V6,V7,V8,V9,V10,V11,V12,V13,V14,V15]>>>,
diff --git a/llvm/test/CodeGen/Hexagon/calloperand-v128i1.ll b/llvm/test/CodeGen/Hexagon/calloperand-v128i1.ll
new file mode 100644
index 0000000000000..ddac8c1cd8279
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calloperand-v128i1.ll
@@ -0,0 +1,39 @@
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length128b < %s -o - | FileCheck %s
+
+; CHECK-LABEL: compare_vectors
+; CHECK: [[REG1:(q[0-9]+)]] = vcmp.eq(v{{[0-9]+}}.b,v{{[0-9]+}}.b)
+; CHECK: [[REG2:(r[0-9]+)]] = #-1
+; CHECK: v0 = vand([[REG1]],[[REG2]])
+
+define void @compare_vectors(<128 x i8> %a, <128 x i8> %b) {
+entry:
+ %result = icmp eq <128 x i8> %a, %b
+ call i32 @f.1(<128 x i1> %result)
+ ret void
+}
+
+; CHECK-LABEL: f.1:
+; CHECK: [[REG3:(q[0-9]+)]] = vand(v0,r{{[0-9]+}})
+; CHECK: [[REG4:(v[0-9]+)]] = vand([[REG3]],r{{[0-9]+}})
+; CHECK: r{{[0-9]+}} = vextract([[REG4]],r{{[0-9]+}})
+
+define i32 @f.1(<128 x i1> %vec) {
+ %element = extractelement <128 x i1> %vec, i32 6
+ %is_true = icmp eq i1 %element, true
+ br i1 %is_true, label %if_true, label %if_false
+
+if_true:
+ call void @action_if_true()
+ br label %end
+
+if_false:
+ call void @action_if_false()
+ br label %end
+
+end:
+ %result = phi i32 [1, %if_true], [0, %if_false]
+ ret i32 %result
+}
+
+declare void @action_if_true()
+declare void @action_if_false()
diff --git a/llvm/test/CodeGen/Hexagon/calloperand-v16i1.ll b/llvm/test/CodeGen/Hexagon/calloperand-v16i1.ll
new file mode 100644
index 0000000000000..bbb2697246df1
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calloperand-v16i1.ll
@@ -0,0 +1,40 @@
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length64b < %s -o - | FileCheck %s --check-prefix=CHECK
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length128b < %s -o - | FileCheck %s --check-prefix=CHECK
+
+; CHECK-LABEL: compare_vectors
+; CHECK: [[REG1:(q[0-9]+)]] = vcmp.eq(v{{[0-9]+}}.w,v{{[0-9]+}}.w)
+; CHECK: [[REG2:(r[0-9]+)]] = #-1
+; CHECK: v0 = vand([[REG1]],[[REG2]])
+
+define void @compare_vectors(<16 x i32> %a, <16 x i32> %b) {
+entry:
+ %result = icmp eq <16 x i32> %a, %b
+ call i32 @f.1(<16 x i1> %result)
+ ret void
+}
+
+; CHECK-LABEL: f.1:
+; CHECK: [[REG3:(q[0-9]+)]] = vand(v0,r{{[0-9]+}})
+; CHECK: [[REG4:(v[0-9]+)]] = vand([[REG3]],r{{[0-9]+}})
+; CHECK: r{{[0-9]+}} = vextract([[REG4]],r{{[0-9]+}})
+
+define i32 @f.1(<16 x i1> %vec) {
+ %element = extractelement <16 x i1> %vec, i32 6
+ %is_true = icmp eq i1 %element, true
+ br i1 %is_true, label %if_true, label %if_false
+
+if_true:
+ call void @action_if_true()
+ br label %end
+
+if_false:
+ call void @action_if_false()
+ br label %end
+
+end:
+ %result = phi i32 [1, %if_true], [0, %if_false]
+ ret i32 %result
+}
+
+declare void @action_if_true()
+declare void @action_if_false()
diff --git a/llvm/test/CodeGen/Hexagon/calloperand-v32i1.ll b/llvm/test/CodeGen/Hexagon/calloperand-v32i1.ll
new file mode 100644
index 0000000000000..a73478728d910
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calloperand-v32i1.ll
@@ -0,0 +1,50 @@
+; RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length64b < %s -o - | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length128b < %s -o - | FileCheck %s --check-prefix=CHECK-128
+
+; CHECK-LABEL: compare_vectors
+; CHECK-64: [[REG1:(q[0-9]+)]] = vcmp.eq(v{{[0-9]+}}.h,v{{[0-9]+}}.h)
+; CHECK-64: [[REG2:(r[0-9]+)]] = #-1
+; CHECK-64: v0 = vand([[REG1]],[[REG2]])
+; CHECK-128: r{{[0-9]+}}:{{[0-9]+}} = combine(##.LCPI0_0,#-1)
+; CHECK-128: [[REG1:(q[0-9]+)]] = vcmp.eq(v0.h,v1.h)
+; CHECK-128: [[REG2:(v[0-9]+)]] = vand([[REG1]],r{{[0-9]+}})
+; CHECK-128: [[REG3:(v[0-9]+)]] = vmem(r{{[0-9]+}}+#0)
+; CHECK-128: [[REG4:(v[0-9]+)]] = vdelta([[REG2]],[[REG3]])
+; CHECK-128: [[REG5:(q[0-9]+)]] = vand([[REG4]],r{{[0-9]+}})
+; CHECK-128: v0 = vand([[REG5]],r{{[0-9]+}})
+
+define void @compare_vectors(<32 x i16> %a, <32 x i16> %b) {
+entry:
+ %result = icmp eq <32 x i16> %a, %b
+ call i32 @f.1(<32 x i1> %result)
+ ret void
+}
+
+; CHECK-LABEL: f.1:
+; CHECK-64: [[REG3:(q[0-9]+)]] = vand(v0,r{{[0-9]+}})
+; CHECK-64: [[REG4:(v[0-9]+)]] = vand([[REG3]],r{{[0-9]+}})
+; CHECK-64: r{{[0-9]+}} = vextract([[REG4]],r{{[0-9]+}})
+; CHECK-128: [[REG6:(q[0-9]+)]] = vand(v0,r{{[0-9]+}})
+; CHECK-128: [[REG7:(v[0-9]+)]] = vand([[REG6]],r{{[0-9]+}})
+; CHECK-128: r{{[0-9]+}} = vextract([[REG7]],r{{[0-9]+}})
+
+define i32 @f.1(<32 x i1> %vec) {
+ %element = extractelement <32 x i1> %vec, i32 6
+ %is_true = icmp eq i1 %element, true
+ br i1 %is_true, label %if_true, label %if_false
+
+if_true:
+ call void @action_if_true()
+ br label %end
+
+if_false:
+ call void @action_if_false()
+ br label %end
+
+end:
+ %result = phi i32 [1, %if_true], [0, %if_false]
+ ret i32 %result
+}
+
+declare void @action_if_true()
+declare void @action_if_false()
diff --git a/llvm/test/CodeGen/Hexagon/calloperand-v4i1.ll b/llvm/test/CodeGen/Hexagon/calloperand-v4i1.ll
new file mode 100644
index 0000000000000..af23e6c788ea5
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calloperand-v4i1.ll
@@ -0,0 +1,39 @@
+;RUN: llc -mtriple=hexagon < %s -o - | FileCheck %s --check-prefix=CHECK
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length64b < %s -o - | FileCheck %s --check-prefix=CHECK
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length128b < %s -o - | FileCheck %s --check-prefix=CHECK
+
+; CHECK-LABEL: compare_vectors
+; CHECK: [[REG0:(p[0-9]+)]] = vcmph.eq([[REG1:(r[0-9]+):[0-9]]],[[REG2:(r[0-9]+):[0-9]]])
+; CHECK: [[REG1:(r[0-9]+):[0-9]]] = CONST64(#281479271743489)
+; CHECK: [[REG2:(r[0-9]+):[0-9]]] = mask([[REG0]])
+; CHECK: r{{[0-9]+}}:{{[0-9]+}} = and([[REG2]],[[REG1]])
+
+define void @compare_vectors(<4 x i16> %a, <4 x i16> %b) {
+entry:
+ %result = icmp eq <4 x i16> %a, %b
+ call i32 @f.1(<4 x i1> %result)
+ ret void
+}
+; CHECK-LABEL: f.1:
+; CHECK: [[REG3:(r[0-9]+)]] = and([[REG3]],##65537)
+; CHECK: [[REG4:(r[0-9]+)]] = and([[REG4]],##65537)
+define i32 @f.1(<4 x i1> %vec) {
+ %element = extractelement <4 x i1> %vec, i32 2
+ %is_true = icmp eq i1 %element, true
+ br i1 %is_true, label %if_true, label %if_false
+
+if_true:
+ call void @action_if_true()
+ br label %end
+
+if_false:
+ call void @action_if_false()
+ br label %end
+
+end:
+ %result = phi i32 [1, %if_true], [0, %if_false]
+ ret i32 %result
+}
+
+declare void @action_if_true()
+declare void @action_if_false()
diff --git a/llvm/test/CodeGen/Hexagon/calloperand-v64i1.ll b/llvm/test/CodeGen/Hexagon/calloperand-v64i1.ll
new file mode 100644
index 0000000000000..7cc562085a7e6
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calloperand-v64i1.ll
@@ -0,0 +1,50 @@
+; RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length64b < %s -o - | FileCheck %s --check-prefix=CHECK-64
+; RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length128b < %s -o - | FileCheck %s --check-prefix=CHECK-128
+
+; CHECK-LABEL: compare_vectors
+; CHECK-64: [[REG1:(q[0-9]+)]] = vcmp.eq(v{{[0-9]+}}.b,v{{[0-9]+}}.b)
+; CHECK-64: [[REG2:(r[0-9]+)]] = #-1
+; CHECK-64: v0 = vand([[REG1]],[[REG2]])
+; CHECK-128: r{{[0-9]+}}:{{[0-9]+}} = combine(##.LCPI0_0,#-1)
+; CHECK-128: [[REG1:(q[0-9]+)]] = vcmp.eq(v0.b,v1.b)
+; CHECK-128: [[REG2:(v[0-9]+)]] = vand([[REG1]],r{{[0-9]+}})
+; CHECK-128: [[REG3:(v[0-9]+)]] = vmem(r{{[0-9]+}}+#0)
+; CHECK-128: [[REG4:(v[0-9]+)]] = vdelta([[REG2]],[[REG3]])
+; CHECK-128: [[REG5:(q[0-9]+)]] = vand([[REG4]],r{{[0-9]+}})
+; CHECK-128: v0 = vand([[REG5]],r{{[0-9]+}})
+
+define void @compare_vectors(<64 x i8> %a, <64 x i8> %b) {
+entry:
+ %result = icmp eq <64 x i8> %a, %b
+ call i32 @f.1(<64 x i1> %result)
+ ret void
+}
+
+; CHECK-LABEL: f.1:
+; CHECK-64: [[REG3:(q[0-9]+)]] = vand(v0,r{{[0-9]+}})
+; CHECK-64: [[REG4:(v[0-9]+)]] = vand([[REG3]],r{{[0-9]+}})
+; CHECK-64: r{{[0-9]+}} = vextract([[REG4]],r{{[0-9]+}})
+; CHECK-128: [[REG6:(q[0-9]+)]] = vand(v0,r{{[0-9]+}})
+; CHECK-128: [[REG7:(v[0-9]+)]] = vand([[REG6]],r{{[0-9]+}})
+; CHECK-128: r{{[0-9]+}} = vextract([[REG7]],r{{[0-9]+}})
+
+define i32 @f.1(<64 x i1> %vec) {
+ %element = extractelement <64 x i1> %vec, i32 6
+ %is_true = icmp eq i1 %element, true
+ br i1 %is_true, label %if_true, label %if_false
+
+if_true:
+ call void @action_if_true()
+ br label %end
+
+if_false:
+ call void @action_if_false()
+ br label %end
+
+end:
+ %result = phi i32 [1, %if_true], [0, %if_false]
+ ret i32 %result
+}
+
+declare void @action_if_true()
+declare void @action_if_false()
diff --git a/llvm/test/CodeGen/Hexagon/calloperand-v8i1.ll b/llvm/test/CodeGen/Hexagon/calloperand-v8i1.ll
new file mode 100644
index 0000000000000..2ec163acd6ae7
--- /dev/null
+++ b/llvm/test/CodeGen/Hexagon/calloperand-v8i1.ll
@@ -0,0 +1,39 @@
+;RUN: llc -mtriple=hexagon < %s -o - | FileCheck %s --check-prefix=CHECK
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length64b < %s -o - | FileCheck %s --check-prefix=CHECK
+;RUN: llc -mtriple=hexagon -mattr=+hvxv79,+hvx-length128b < %s -o - | FileCheck %s --check-prefix=CHECK
+
+; CHECK-LABEL: compare_vectors
+; CHECK: [[REG0:(p[0-9]+)]] = vcmpb.eq([[REG1:(r[0-9]+):[0-9]]],[[REG2:(r[0-9]+):[0-9]]])
+; CHECK: [[REG1:(r[0-9]+):[0-9]]] = CONST64(#72340172838076673)
+; CHECK: [[REG2:(r[0-9]+):[0-9]]] = mask([[REG0]])
+; CHECK: r{{[0-9]+}}:{{[0-9]+}} = and([[REG2]],[[REG1]])
+
+define void @compare_vectors(<8 x i8> %a, <8 x i8> %b) {
+entry:
+ %result = icmp eq <8 x i8> %a, %b
+ call i32 @f.1(<8 x i1> %result)
+ ret void
+}
+; CHECK-LABEL: f.1:
+; CHECK: [[REG3:(r[0-9]+)]] = and([[REG3]],##16843009)
+; CHECK: [[REG4:(r[0-9]+)]] = and([[REG4]],##16843009)
+define i32 @f.1(<8 x i1> %vec) {
+ %element = extractelement <8 x i1> %vec, i32 6
+ %is_true = icmp eq i1 %element, true
+ br i1 %is_true, label %if_true, label %if_false
+
+if_true:
+ call void @action_if_true()
+ br label %end
+
+if_false:
+ call void @action_if_false()
+ br label %end
+
+end:
+ %result = phi i32 [1, %if_true], [0, %if_false]
+ ret i32 %result
+}
+
+declare void @action_if_true()
+declare void @action_if_false()
|
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
If this change is intended to fix #118879 can you add a Fixes #118879
to the commit message?
There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
I am fine to merge this patch.
Let's add support for v128i1 in 64-byte mode and when HVX is not enabled in subsequent patch.
#118879 stays open until a patch to add support for v128i1 in 64-byte mode and when HVX is not enabled is merged |
This commit updates the Hexagon backend to handle vxi1 call operands. It ensures compatibility for vector types of sizes 4, 8, 16, 32, 64, and 128 x i1 when HVX is enabled. ~Fixes llvm#59009 and llvm#118879~ (cherry picked from commit 37559c8)
This commit updates the Hexagon backend to handle
vxi1 call operands. It ensures compatibility for
vector types of sizes 4, 8, 16, 32, 64, and 128 x i1 when HVX is enabled.
Fixes #59009 and #118879