diff options
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/memCmpUsedInZeroEqualityComparison.ll')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/memCmpUsedInZeroEqualityComparison.ll | 218 |
1 files changed, 0 insertions, 218 deletions
diff --git a/llvm/test/CodeGen/PowerPC/memCmpUsedInZeroEqualityComparison.ll b/llvm/test/CodeGen/PowerPC/memCmpUsedInZeroEqualityComparison.ll deleted file mode 100644 index 334dac9fcfc..00000000000 --- a/llvm/test/CodeGen/PowerPC/memCmpUsedInZeroEqualityComparison.ll +++ /dev/null @@ -1,218 +0,0 @@ -; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py -; RUN: llc -ppc-gpr-icmps=all -verify-machineinstrs -mcpu=pwr8 < %s | FileCheck %s -target datalayout = "e-m:e-i64:64-n32:64" -target triple = "powerpc64le-unknown-linux-gnu" - -@zeroEqualityTest01.buffer1 = private unnamed_addr constant [3 x i32] [i32 1, i32 2, i32 4], align 4 -@zeroEqualityTest01.buffer2 = private unnamed_addr constant [3 x i32] [i32 1, i32 2, i32 3], align 4 -@zeroEqualityTest02.buffer1 = private unnamed_addr constant [4 x i32] [i32 4, i32 0, i32 0, i32 0], align 4 -@zeroEqualityTest02.buffer2 = private unnamed_addr constant [4 x i32] [i32 3, i32 0, i32 0, i32 0], align 4 -@zeroEqualityTest03.buffer1 = private unnamed_addr constant [4 x i32] [i32 0, i32 0, i32 0, i32 3], align 4 -@zeroEqualityTest03.buffer2 = private unnamed_addr constant [4 x i32] [i32 0, i32 0, i32 0, i32 4], align 4 -@zeroEqualityTest04.buffer1 = private unnamed_addr constant [15 x i32] [i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14], align 4 -@zeroEqualityTest04.buffer2 = private unnamed_addr constant [15 x i32] [i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 13], align 4 - -declare signext i32 @memcmp(i8* nocapture, i8* nocapture, i64) local_unnamed_addr #1 - -; Check 4 bytes - requires 1 load for each param. -define signext i32 @zeroEqualityTest02(i8* %x, i8* %y) { -; CHECK-LABEL: zeroEqualityTest02: -; CHECK: # %bb.0: -; CHECK-NEXT: lwz 3, 0(3) -; CHECK-NEXT: lwz 4, 0(4) -; CHECK-NEXT: xor 3, 3, 4 -; CHECK-NEXT: cntlzw 3, 3 -; CHECK-NEXT: srwi 3, 3, 5 -; CHECK-NEXT: xori 3, 3, 1 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* %x, i8* %y, i64 4) - %not.cmp = icmp ne i32 %call, 0 - %. = zext i1 %not.cmp to i32 - ret i32 %. -} - -; Check 16 bytes - requires 2 loads for each param (or use vectors?). -define signext i32 @zeroEqualityTest01(i8* %x, i8* %y) { -; CHECK-LABEL: zeroEqualityTest01: -; CHECK: # %bb.0: -; CHECK-NEXT: ld 5, 0(3) -; CHECK-NEXT: ld 6, 0(4) -; CHECK-NEXT: cmpld 5, 6 -; CHECK-NEXT: bne 0, .LBB1_2 -; CHECK-NEXT: # %bb.1: # %loadbb1 -; CHECK-NEXT: ld 3, 8(3) -; CHECK-NEXT: ld 4, 8(4) -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: li 3, 0 -; CHECK-NEXT: beq 0, .LBB1_3 -; CHECK-NEXT: .LBB1_2: # %res_block -; CHECK-NEXT: li 3, 1 -; CHECK-NEXT: .LBB1_3: # %endblock -; CHECK-NEXT: clrldi 3, 3, 32 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* %x, i8* %y, i64 16) - %not.tobool = icmp ne i32 %call, 0 - %. = zext i1 %not.tobool to i32 - ret i32 %. -} - -; Check 7 bytes - requires 3 loads for each param. -define signext i32 @zeroEqualityTest03(i8* %x, i8* %y) { -; CHECK-LABEL: zeroEqualityTest03: -; CHECK: # %bb.0: -; CHECK-NEXT: lwz 5, 0(3) -; CHECK-NEXT: lwz 6, 0(4) -; CHECK-NEXT: cmplw 5, 6 -; CHECK-NEXT: bne 0, .LBB2_3 -; CHECK-NEXT: # %bb.1: # %loadbb1 -; CHECK-NEXT: lhz 5, 4(3) -; CHECK-NEXT: lhz 6, 4(4) -; CHECK-NEXT: cmplw 5, 6 -; CHECK-NEXT: bne 0, .LBB2_3 -; CHECK-NEXT: # %bb.2: # %loadbb2 -; CHECK-NEXT: lbz 3, 6(3) -; CHECK-NEXT: lbz 4, 6(4) -; CHECK-NEXT: cmplw 3, 4 -; CHECK-NEXT: li 3, 0 -; CHECK-NEXT: beq 0, .LBB2_4 -; CHECK-NEXT: .LBB2_3: # %res_block -; CHECK-NEXT: li 3, 1 -; CHECK-NEXT: .LBB2_4: # %endblock -; CHECK-NEXT: clrldi 3, 3, 32 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* %x, i8* %y, i64 7) - %not.lnot = icmp ne i32 %call, 0 - %cond = zext i1 %not.lnot to i32 - ret i32 %cond -} - -; Validate with > 0 -define signext i32 @zeroEqualityTest04() { -; CHECK-LABEL: zeroEqualityTest04: -; CHECK: # %bb.0: -; CHECK-NEXT: addis 3, 2, .LzeroEqualityTest02.buffer1@toc@ha -; CHECK-NEXT: addis 4, 2, .LzeroEqualityTest02.buffer2@toc@ha -; CHECK-NEXT: addi 6, 3, .LzeroEqualityTest02.buffer1@toc@l -; CHECK-NEXT: addi 5, 4, .LzeroEqualityTest02.buffer2@toc@l -; CHECK-NEXT: ldbrx 3, 0, 6 -; CHECK-NEXT: ldbrx 4, 0, 5 -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: bne 0, .LBB3_2 -; CHECK-NEXT: # %bb.1: # %loadbb1 -; CHECK-NEXT: li 4, 8 -; CHECK-NEXT: ldbrx 3, 6, 4 -; CHECK-NEXT: ldbrx 4, 5, 4 -; CHECK-NEXT: li 5, 0 -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: beq 0, .LBB3_3 -; CHECK-NEXT: .LBB3_2: # %res_block -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: li 3, 1 -; CHECK-NEXT: li 4, -1 -; CHECK-NEXT: isel 5, 4, 3, 0 -; CHECK-NEXT: .LBB3_3: # %endblock -; CHECK-NEXT: extsw 3, 5 -; CHECK-NEXT: neg 3, 3 -; CHECK-NEXT: rldicl 3, 3, 1, 63 -; CHECK-NEXT: xori 3, 3, 1 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* bitcast ([4 x i32]* @zeroEqualityTest02.buffer1 to i8*), i8* bitcast ([4 x i32]* @zeroEqualityTest02.buffer2 to i8*), i64 16) - %not.cmp = icmp slt i32 %call, 1 - %. = zext i1 %not.cmp to i32 - ret i32 %. -} - -; Validate with < 0 -define signext i32 @zeroEqualityTest05() { -; CHECK-LABEL: zeroEqualityTest05: -; CHECK: # %bb.0: -; CHECK-NEXT: addis 3, 2, .LzeroEqualityTest03.buffer1@toc@ha -; CHECK-NEXT: addis 4, 2, .LzeroEqualityTest03.buffer2@toc@ha -; CHECK-NEXT: addi 6, 3, .LzeroEqualityTest03.buffer1@toc@l -; CHECK-NEXT: addi 5, 4, .LzeroEqualityTest03.buffer2@toc@l -; CHECK-NEXT: ldbrx 3, 0, 6 -; CHECK-NEXT: ldbrx 4, 0, 5 -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: bne 0, .LBB4_2 -; CHECK-NEXT: # %bb.1: # %loadbb1 -; CHECK-NEXT: li 4, 8 -; CHECK-NEXT: ldbrx 3, 6, 4 -; CHECK-NEXT: ldbrx 4, 5, 4 -; CHECK-NEXT: li 5, 0 -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: beq 0, .LBB4_3 -; CHECK-NEXT: .LBB4_2: # %res_block -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: li 3, 1 -; CHECK-NEXT: li 4, -1 -; CHECK-NEXT: isel 5, 4, 3, 0 -; CHECK-NEXT: .LBB4_3: # %endblock -; CHECK-NEXT: nor 3, 5, 5 -; CHECK-NEXT: rlwinm 3, 3, 1, 31, 31 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* bitcast ([4 x i32]* @zeroEqualityTest03.buffer1 to i8*), i8* bitcast ([4 x i32]* @zeroEqualityTest03.buffer2 to i8*), i64 16) - %call.lobit = lshr i32 %call, 31 - %call.lobit.not = xor i32 %call.lobit, 1 - ret i32 %call.lobit.not -} - -; Validate with memcmp()?: -define signext i32 @equalityFoldTwoConstants() { -; CHECK-LABEL: equalityFoldTwoConstants: -; CHECK: # %bb.0: # %loadbb -; CHECK-NEXT: li 3, 1 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* bitcast ([15 x i32]* @zeroEqualityTest04.buffer1 to i8*), i8* bitcast ([15 x i32]* @zeroEqualityTest04.buffer2 to i8*), i64 16) - %not.tobool = icmp eq i32 %call, 0 - %cond = zext i1 %not.tobool to i32 - ret i32 %cond -} - -define signext i32 @equalityFoldOneConstant(i8* %X) { -; CHECK-LABEL: equalityFoldOneConstant: -; CHECK: # %bb.0: -; CHECK-NEXT: ld 4, 0(3) -; CHECK-NEXT: li 5, 1 -; CHECK-NEXT: sldi 5, 5, 32 -; CHECK-NEXT: cmpld 4, 5 -; CHECK-NEXT: bne 0, .LBB6_2 -; CHECK-NEXT: # %bb.1: # %loadbb1 -; CHECK-NEXT: li 4, 3 -; CHECK-NEXT: ld 3, 8(3) -; CHECK-NEXT: sldi 4, 4, 32 -; CHECK-NEXT: ori 4, 4, 2 -; CHECK-NEXT: cmpld 3, 4 -; CHECK-NEXT: li 3, 0 -; CHECK-NEXT: beq 0, .LBB6_3 -; CHECK-NEXT: .LBB6_2: # %res_block -; CHECK-NEXT: li 3, 1 -; CHECK-NEXT: .LBB6_3: # %endblock -; CHECK-NEXT: cntlzw 3, 3 -; CHECK-NEXT: srwi 3, 3, 5 -; CHECK-NEXT: blr - %call = tail call signext i32 @memcmp(i8* bitcast ([15 x i32]* @zeroEqualityTest04.buffer1 to i8*), i8* %X, i64 16) - %not.tobool = icmp eq i32 %call, 0 - %cond = zext i1 %not.tobool to i32 - ret i32 %cond -} - -define i1 @length2_eq_nobuiltin_attr(i8* %X, i8* %Y) nounwind { -; CHECK-LABEL: length2_eq_nobuiltin_attr: -; CHECK: # %bb.0: -; CHECK-NEXT: mflr 0 -; CHECK-NEXT: std 0, 16(1) -; CHECK-NEXT: stdu 1, -32(1) -; CHECK-NEXT: li 5, 2 -; CHECK-NEXT: bl memcmp -; CHECK-NEXT: nop -; CHECK-NEXT: cntlzw 3, 3 -; CHECK-NEXT: rlwinm 3, 3, 27, 31, 31 -; CHECK-NEXT: addi 1, 1, 32 -; CHECK-NEXT: ld 0, 16(1) -; CHECK-NEXT: mtlr 0 -; CHECK-NEXT: blr - %m = tail call signext i32 @memcmp(i8* %X, i8* %Y, i64 2) nobuiltin - %c = icmp eq i32 %m, 0 - ret i1 %c -} - |
