diff options
Diffstat (limited to 'llvm/test/CodeGen/PowerPC/pcrel-linkeropt.ll')
| -rw-r--r-- | llvm/test/CodeGen/PowerPC/pcrel-linkeropt.ll | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/llvm/test/CodeGen/PowerPC/pcrel-linkeropt.ll b/llvm/test/CodeGen/PowerPC/pcrel-linkeropt.ll index f6b4760659a1..1e42c695c585 100644 --- a/llvm/test/CodeGen/PowerPC/pcrel-linkeropt.ll +++ b/llvm/test/CodeGen/PowerPC/pcrel-linkeropt.ll @@ -35,6 +35,9 @@ @FuncPtrOut = external local_unnamed_addr global void (...)*, align 8 define dso_local void @ReadWrite8() local_unnamed_addr #0 { +; In this test the stb r3, 0(r4) cannot be optimized because it +; uses the register r3 and that register is defined by lbz r3, 0(r3) +; which is defined between the pld and the stb. ; CHECK-LABEL: ReadWrite8: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pld r3, input8@got@pcrel(0), 1 @@ -44,9 +47,6 @@ define dso_local void @ReadWrite8() local_unnamed_addr #0 { ; CHECK-NEXT: lbz r3, 0(r3) ; CHECK-NEXT: stb r3, 0(r4) ; CHECK-NEXT: blr -; In this test the stb r3, 0(r4) cannot be optimized because it -; uses the register r3 and that register is defined by lbz r3, 0(r3) -; which is defined between the pld and the stb. entry: %0 = load i8, i8* @input8, align 1 store i8 %0, i8* @output8, align 1 @@ -54,6 +54,9 @@ entry: } define dso_local void @ReadWrite16() local_unnamed_addr #0 { +; In this test the sth r3, 0(r4) cannot be optimized because it +; uses the register r3 and that register is defined by lhz r3, 0(r3) +; which is defined between the pld and the sth. ; CHECK-LABEL: ReadWrite16: ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pld r3, input16@got@pcrel(0), 1 @@ -63,9 +66,6 @@ define dso_local void @ReadWrite16() local_unnamed_addr #0 { ; CHECK-NEXT: lhz r3, 0(r3) ; CHECK-NEXT: sth r3, 0(r4) ; CHECK-NEXT: blr -; In this test the sth r3, 0(r4) cannot be optimized because it -; uses the register r3 and that register is defined by lhz r3, 0(r3) -; which is defined between the pld and the sth. entry: %0 = load i16, i16* @input16, align 2 store i16 %0, i16* @output16, align 2 @@ -144,7 +144,8 @@ define dso_local void @ReadWritef64() local_unnamed_addr #0 { ; CHECK: # %bb.0: # %entry ; CHECK-NEXT: pld r3, inputf64@got@pcrel(0), 1 ; CHECK-NEXT: .Lpcrel5: -; CHECK-NEXT: plfd f1, .LCPI6_0@PCREL(0), 1 +; CHECK-NEXT: xxsplti32dx vs1, 0, 1075524403 +; CHECK-NEXT: xxsplti32dx vs1, 1, 858993459 ; CHECK-NEXT: .reloc .Lpcrel5-8,R_PPC64_PCREL_OPT,.-(.Lpcrel5-8) ; CHECK-NEXT: lfd f0, 0(r3) ; CHECK-NEXT: pld r3, outputf64@got@pcrel(0), 1 |