[llvm] 4d536c6 - [x86] add tests for store merging; NFC
Sanjay Patel via llvm-commits
llvm-commits at lists.llvm.org
Fri Sep 4 05:51:00 PDT 2020
Author: Sanjay Patel
Date: 2020-09-04T08:50:50-04:00
New Revision: 4d536c6da55d662b7aad8da71815d8cba7d44967
URL: https://github.com/llvm/llvm-project/commit/4d536c6da55d662b7aad8da71815d8cba7d44967
DIFF: https://github.com/llvm/llvm-project/commit/4d536c6da55d662b7aad8da71815d8cba7d44967.diff
LOG: [x86] add tests for store merging; NFC
Added:
Modified:
llvm/test/CodeGen/X86/stores-merging.ll
Removed:
################################################################################
diff --git a/llvm/test/CodeGen/X86/stores-merging.ll b/llvm/test/CodeGen/X86/stores-merging.ll
index 85a086503410..6d6796d1c902 100644
--- a/llvm/test/CodeGen/X86/stores-merging.ll
+++ b/llvm/test/CodeGen/X86/stores-merging.ll
@@ -479,6 +479,39 @@ define void @trunc_i32_to_i16(i32 %x, i16* %p) {
ret void
}
+define void @be_i32_to_i16(i32 %x, i16* %p0) {
+; CHECK-LABEL: be_i32_to_i16:
+; CHECK: # %bb.0:
+; CHECK-NEXT: movw %di, 2(%rsi)
+; CHECK-NEXT: shrl $16, %edi
+; CHECK-NEXT: movw %di, (%rsi)
+; CHECK-NEXT: retq
+ %sh1 = lshr i32 %x, 16
+ %t0 = trunc i32 %x to i16
+ %t1 = trunc i32 %sh1 to i16
+ %p1 = getelementptr inbounds i16, i16* %p0, i64 1
+ store i16 %t0, i16* %p1, align 2
+ store i16 %t1, i16* %p0, align 2
+ ret void
+}
+
+define void @be_i32_to_i16_order(i32 %x, i16* %p0) {
+; CHECK-LABEL: be_i32_to_i16_order:
+; CHECK: # %bb.0:
+; CHECK-NEXT: movl %edi, %eax
+; CHECK-NEXT: shrl $16, %eax
+; CHECK-NEXT: movw %ax, (%rsi)
+; CHECK-NEXT: movw %di, 2(%rsi)
+; CHECK-NEXT: retq
+ %sh1 = lshr i32 %x, 16
+ %t0 = trunc i32 %x to i16
+ %t1 = trunc i32 %sh1 to i16
+ %p1 = getelementptr inbounds i16, i16* %p0, i64 1
+ store i16 %t1, i16* %p0, align 2
+ store i16 %t0, i16* %p1, align 2
+ ret void
+}
+
define void @trunc_i64_to_i8(i64 %x, i8* %p) {
; CHECK-LABEL: trunc_i64_to_i8:
; CHECK: # %bb.0:
@@ -552,3 +585,36 @@ define void @trunc_i64_to_i32(i64 %x, i32* %p) {
store i32 %t2, i32* %p1, align 4
ret void
}
+
+define void @be_i64_to_i32(i64 %x, i32* %p0) {
+; CHECK-LABEL: be_i64_to_i32:
+; CHECK: # %bb.0:
+; CHECK-NEXT: movl %edi, 4(%rsi)
+; CHECK-NEXT: shrq $32, %rdi
+; CHECK-NEXT: movl %edi, (%rsi)
+; CHECK-NEXT: retq
+ %sh1 = lshr i64 %x, 32
+ %t0 = trunc i64 %x to i32
+ %t1 = trunc i64 %sh1 to i32
+ %p1 = getelementptr inbounds i32, i32* %p0, i64 1
+ store i32 %t0, i32* %p1, align 4
+ store i32 %t1, i32* %p0, align 4
+ ret void
+}
+
+define void @be_i64_to_i32_order(i64 %x, i32* %p0) {
+; CHECK-LABEL: be_i64_to_i32_order:
+; CHECK: # %bb.0:
+; CHECK-NEXT: movq %rdi, %rax
+; CHECK-NEXT: shrq $32, %rax
+; CHECK-NEXT: movl %eax, (%rsi)
+; CHECK-NEXT: movl %edi, 4(%rsi)
+; CHECK-NEXT: retq
+ %sh1 = lshr i64 %x, 32
+ %t0 = trunc i64 %x to i32
+ %t1 = trunc i64 %sh1 to i32
+ %p1 = getelementptr inbounds i32, i32* %p0, i64 1
+ store i32 %t1, i32* %p0, align 4
+ store i32 %t0, i32* %p1, align 4
+ ret void
+}
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