| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=i686-linux -mcpu=core2 -mattr=+sse2 | FileCheck %s --check-prefix=X32 |
| ; RUN: llc < %s -mtriple=x86_64-linux -mcpu=core2 -mattr=+sse2 | FileCheck %s --check-prefix=X64 |
| ; RUN: llc < %s -mtriple=x86_64-linux-gnux32 -mcpu=core2 -mattr=+sse2 | FileCheck %s --check-prefix=X32ABI |
| |
| define void @t1(i32 %x) nounwind ssp { |
| ; X32-LABEL: t1: |
| ; X32: # %bb.0: |
| ; X32-NEXT: jmp foo # TAILCALL |
| ; |
| ; X64-LABEL: t1: |
| ; X64: # %bb.0: |
| ; X64-NEXT: jmp foo # TAILCALL |
| ; |
| ; X32ABI-LABEL: t1: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: jmp foo # TAILCALL |
| tail call void @foo() nounwind |
| ret void |
| } |
| |
| declare void @foo() |
| |
| define void @t2() nounwind ssp { |
| ; X32-LABEL: t2: |
| ; X32: # %bb.0: |
| ; X32-NEXT: jmp foo2 # TAILCALL |
| ; |
| ; X64-LABEL: t2: |
| ; X64: # %bb.0: |
| ; X64-NEXT: jmp foo2 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t2: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: jmp foo2 # TAILCALL |
| %t0 = tail call i32 @foo2() nounwind |
| ret void |
| } |
| |
| declare i32 @foo2() |
| |
| define void @t3() nounwind ssp { |
| ; X32-LABEL: t3: |
| ; X32: # %bb.0: |
| ; X32-NEXT: jmp foo3 # TAILCALL |
| ; |
| ; X64-LABEL: t3: |
| ; X64: # %bb.0: |
| ; X64-NEXT: jmp foo3 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t3: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: jmp foo3 # TAILCALL |
| %t0 = tail call i32 @foo3() nounwind |
| ret void |
| } |
| |
| declare i32 @foo3() |
| |
| define void @t4(void (i32)* nocapture %x) nounwind ssp { |
| ; X32-LABEL: t4: |
| ; X32: # %bb.0: |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movl $0, (%esp) |
| ; X32-NEXT: calll *{{[0-9]+}}(%esp) |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t4: |
| ; X64: # %bb.0: |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: xorl %edi, %edi |
| ; X64-NEXT: jmpq *%rax # TAILCALL |
| ; |
| ; X32ABI-LABEL: t4: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: movl %edi, %eax |
| ; X32ABI-NEXT: xorl %edi, %edi |
| ; X32ABI-NEXT: jmpq *%rax # TAILCALL |
| tail call void %x(i32 0) nounwind |
| ret void |
| } |
| |
| ; FIXME: This isn't needed since x32 psABI specifies that callers must |
| ; zero-extend pointers passed in registers. |
| |
| define void @t5(void ()* nocapture %x) nounwind ssp { |
| ; X32-LABEL: t5: |
| ; X32: # %bb.0: |
| ; X32-NEXT: jmpl *{{[0-9]+}}(%esp) # TAILCALL |
| ; |
| ; X64-LABEL: t5: |
| ; X64: # %bb.0: |
| ; X64-NEXT: jmpq *%rdi # TAILCALL |
| ; |
| ; X32ABI-LABEL: t5: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: movl %edi, %eax |
| ; X32ABI-NEXT: jmpq *%rax # TAILCALL |
| tail call void %x() nounwind |
| ret void |
| } |
| |
| define i32 @t6(i32 %x) nounwind ssp { |
| ; X32-LABEL: t6: |
| ; X32: # %bb.0: |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: cmpl $9, %eax |
| ; X32-NEXT: jg .LBB5_2 |
| ; X32-NEXT: # %bb.1: # %bb |
| ; X32-NEXT: decl %eax |
| ; X32-NEXT: movl %eax, (%esp) |
| ; X32-NEXT: calll t6 |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; X32-NEXT: .LBB5_2: # %bb1 |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: jmp bar # TAILCALL |
| ; |
| ; X64-LABEL: t6: |
| ; X64: # %bb.0: |
| ; X64-NEXT: cmpl $9, %edi |
| ; X64-NEXT: jg .LBB5_2 |
| ; X64-NEXT: # %bb.1: # %bb |
| ; X64-NEXT: decl %edi |
| ; X64-NEXT: jmp t6 # TAILCALL |
| ; X64-NEXT: .LBB5_2: # %bb1 |
| ; X64-NEXT: jmp bar # TAILCALL |
| ; |
| ; X32ABI-LABEL: t6: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: cmpl $9, %edi |
| ; X32ABI-NEXT: jg .LBB5_2 |
| ; X32ABI-NEXT: # %bb.1: # %bb |
| ; X32ABI-NEXT: decl %edi |
| ; X32ABI-NEXT: jmp t6 # TAILCALL |
| ; X32ABI-NEXT: .LBB5_2: # %bb1 |
| ; X32ABI-NEXT: jmp bar # TAILCALL |
| %t0 = icmp slt i32 %x, 10 |
| br i1 %t0, label %bb, label %bb1 |
| |
| bb: |
| %t1 = add nsw i32 %x, -1 |
| %t2 = tail call i32 @t6(i32 %t1) nounwind ssp |
| ret i32 %t2 |
| |
| bb1: |
| %t3 = tail call i32 @bar(i32 %x) nounwind |
| ret i32 %t3 |
| } |
| |
| declare i32 @bar(i32) |
| |
| define i32 @t7(i32 %a, i32 %b, i32 %c) nounwind ssp { |
| ; X32-LABEL: t7: |
| ; X32: # %bb.0: |
| ; X32-NEXT: jmp bar2 # TAILCALL |
| ; |
| ; X64-LABEL: t7: |
| ; X64: # %bb.0: |
| ; X64-NEXT: jmp bar2 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t7: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: jmp bar2 # TAILCALL |
| %t0 = tail call i32 @bar2(i32 %a, i32 %b, i32 %c) nounwind |
| ret i32 %t0 |
| } |
| |
| declare i32 @bar2(i32, i32, i32) |
| |
| define signext i16 @t8() nounwind ssp { |
| ; X32-LABEL: t8: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: jmp bar3 # TAILCALL |
| ; |
| ; X64-LABEL: t8: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: jmp bar3 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t8: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: jmp bar3 # TAILCALL |
| entry: |
| %0 = tail call signext i16 @bar3() nounwind ; <i16> [#uses=1] |
| ret i16 %0 |
| } |
| |
| declare signext i16 @bar3() |
| |
| define signext i16 @t9(i32 (i32)* nocapture %x) nounwind ssp { |
| ; X32-LABEL: t9: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movl $0, (%esp) |
| ; X32-NEXT: calll *{{[0-9]+}}(%esp) |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t9: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: movq %rdi, %rax |
| ; X64-NEXT: xorl %edi, %edi |
| ; X64-NEXT: jmpq *%rax # TAILCALL |
| ; |
| ; X32ABI-LABEL: t9: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: movl %edi, %eax |
| ; X32ABI-NEXT: xorl %edi, %edi |
| ; X32ABI-NEXT: jmpq *%rax # TAILCALL |
| entry: |
| %0 = bitcast i32 (i32)* %x to i16 (i32)* |
| %1 = tail call signext i16 %0(i32 0) nounwind |
| ret i16 %1 |
| } |
| |
| define void @t10() nounwind ssp { |
| ; X32-LABEL: t10: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: calll foo4 |
| ; |
| ; X64-LABEL: t10: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: callq foo4 |
| ; |
| ; X32ABI-LABEL: t10: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: pushq %rax |
| ; X32ABI-NEXT: callq foo4 |
| entry: |
| %0 = tail call i32 @foo4() noreturn nounwind |
| unreachable |
| } |
| |
| declare i32 @foo4() |
| |
| ; In 32-bit mode, it's emitting a bunch of dead loads that are not being |
| ; eliminated currently. |
| |
| define i32 @t11(i32 %x, i32 %y, i32 %z.0, i32 %z.1, i32 %z.2) nounwind ssp { |
| ; X32-LABEL: t11: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: testl %eax, %eax |
| ; X32-NEXT: je .LBB10_1 |
| ; X32-NEXT: # %bb.2: # %bb |
| ; X32-NEXT: jmp foo5 # TAILCALL |
| ; X32-NEXT: .LBB10_1: # %bb6 |
| ; X32-NEXT: xorl %eax, %eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t11: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: testl %edi, %edi |
| ; X64-NEXT: je .LBB10_1 |
| ; X64-NEXT: # %bb.2: # %bb |
| ; X64-NEXT: jmp foo5 # TAILCALL |
| ; X64-NEXT: .LBB10_1: # %bb6 |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32ABI-LABEL: t11: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: testl %edi, %edi |
| ; X32ABI-NEXT: je .LBB10_1 |
| ; X32ABI-NEXT: # %bb.2: # %bb |
| ; X32ABI-NEXT: jmp foo5 # TAILCALL |
| ; X32ABI-NEXT: .LBB10_1: # %bb6 |
| ; X32ABI-NEXT: xorl %eax, %eax |
| ; X32ABI-NEXT: retq |
| entry: |
| %0 = icmp eq i32 %x, 0 |
| br i1 %0, label %bb6, label %bb |
| |
| bb: |
| %1 = tail call i32 @foo5(i32 %x, i32 %y, i32 %z.0, i32 %z.1, i32 %z.2) nounwind |
| ret i32 %1 |
| |
| bb6: |
| ret i32 0 |
| } |
| |
| declare i32 @foo5(i32, i32, i32, i32, i32) |
| |
| %struct.t = type { i32, i32, i32, i32, i32 } |
| |
| define i32 @t12(i32 %x, i32 %y, %struct.t* byval align 4 %z) nounwind ssp { |
| ; X32-LABEL: t12: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: testl %eax, %eax |
| ; X32-NEXT: je .LBB11_1 |
| ; X32-NEXT: # %bb.2: # %bb |
| ; X32-NEXT: jmp foo6 # TAILCALL |
| ; X32-NEXT: .LBB11_1: # %bb2 |
| ; X32-NEXT: xorl %eax, %eax |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t12: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: testl %edi, %edi |
| ; X64-NEXT: je .LBB11_1 |
| ; X64-NEXT: # %bb.2: # %bb |
| ; X64-NEXT: jmp foo6 # TAILCALL |
| ; X64-NEXT: .LBB11_1: # %bb2 |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: retq |
| ; |
| ; X32ABI-LABEL: t12: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: testl %edi, %edi |
| ; X32ABI-NEXT: je .LBB11_1 |
| ; X32ABI-NEXT: # %bb.2: # %bb |
| ; X32ABI-NEXT: jmp foo6 # TAILCALL |
| ; X32ABI-NEXT: .LBB11_1: # %bb2 |
| ; X32ABI-NEXT: xorl %eax, %eax |
| ; X32ABI-NEXT: retq |
| entry: |
| %0 = icmp eq i32 %x, 0 |
| br i1 %0, label %bb2, label %bb |
| |
| bb: |
| %1 = tail call i32 @foo6(i32 %x, i32 %y, %struct.t* byval align 4 %z) nounwind |
| ret i32 %1 |
| |
| bb2: |
| ret i32 0 |
| } |
| |
| declare i32 @foo6(i32, i32, %struct.t* byval align 4) |
| |
| ; rdar://r7717598 |
| %struct.ns = type { i32, i32 } |
| %struct.cp = type { float, float, float, float, float } |
| |
| define %struct.ns* @t13(%struct.cp* %yy) nounwind ssp { |
| ; X32-LABEL: t13: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $28, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: movl 16(%eax), %ecx |
| ; X32-NEXT: movl %ecx, {{[0-9]+}}(%esp) |
| ; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; X32-NEXT: movsd {{.*#+}} xmm1 = mem[0],zero |
| ; X32-NEXT: movsd %xmm1, {{[0-9]+}}(%esp) |
| ; X32-NEXT: movsd %xmm0, (%esp) |
| ; X32-NEXT: xorl %ecx, %ecx |
| ; X32-NEXT: calll foo7 |
| ; X32-NEXT: addl $28, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t13: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: subq $8, %rsp |
| ; X64-NEXT: movl 16(%rdi), %eax |
| ; X64-NEXT: movq (%rdi), %rcx |
| ; X64-NEXT: movq 8(%rdi), %rdx |
| ; X64-NEXT: xorl %edi, %edi |
| ; X64-NEXT: pushq %rax |
| ; X64-NEXT: pushq %rdx |
| ; X64-NEXT: pushq %rcx |
| ; X64-NEXT: callq foo7 |
| ; X64-NEXT: addq $32, %rsp |
| ; X64-NEXT: popq %rcx |
| ; X64-NEXT: retq |
| ; |
| ; X32ABI-LABEL: t13: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: pushq %rax |
| ; X32ABI-NEXT: subl $8, %esp |
| ; X32ABI-NEXT: movl 16(%edi), %eax |
| ; X32ABI-NEXT: movq (%edi), %rcx |
| ; X32ABI-NEXT: movq 8(%edi), %rdx |
| ; X32ABI-NEXT: xorl %edi, %edi |
| ; X32ABI-NEXT: pushq %rax |
| ; X32ABI-NEXT: pushq %rdx |
| ; X32ABI-NEXT: pushq %rcx |
| ; X32ABI-NEXT: callq foo7 |
| ; X32ABI-NEXT: addl $32, %esp |
| ; X32ABI-NEXT: popq %rcx |
| ; X32ABI-NEXT: retq |
| entry: |
| %0 = tail call fastcc %struct.ns* @foo7(%struct.cp* byval align 4 %yy, i8 signext 0) nounwind |
| ret %struct.ns* %0 |
| } |
| |
| ; rdar://6195379 |
| ; llvm can't do sibcall for this in 32-bit mode (yet). |
| declare fastcc %struct.ns* @foo7(%struct.cp* byval align 4, i8 signext) nounwind ssp |
| |
| %struct.__block_descriptor = type { i64, i64 } |
| %struct.__block_descriptor_withcopydispose = type { i64, i64, i8*, i8* } |
| %struct.__block_literal_1 = type { i8*, i32, i32, i8*, %struct.__block_descriptor* } |
| %struct.__block_literal_2 = type { i8*, i32, i32, i8*, %struct.__block_descriptor_withcopydispose*, void ()* } |
| |
| define void @t14(%struct.__block_literal_2* nocapture %.block_descriptor) nounwind ssp { |
| ; X32-LABEL: t14: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %eax |
| ; X32-NEXT: movl 20(%eax), %eax |
| ; X32-NEXT: movl %eax, (%esp) |
| ; X32-NEXT: calll *12(%eax) |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t14: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: movq 32(%rdi), %rdi |
| ; X64-NEXT: jmpq *16(%rdi) # TAILCALL |
| ; |
| ; X32ABI-LABEL: t14: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: movl 20(%edi), %edi |
| ; X32ABI-NEXT: movl 12(%edi), %eax |
| ; X32ABI-NEXT: jmpq *%rax # TAILCALL |
| entry: |
| %0 = getelementptr inbounds %struct.__block_literal_2, %struct.__block_literal_2* %.block_descriptor, i64 0, i32 5 ; <void ()**> [#uses=1] |
| %1 = load void ()*, void ()** %0, align 8 ; <void ()*> [#uses=2] |
| %2 = bitcast void ()* %1 to %struct.__block_literal_1* ; <%struct.__block_literal_1*> [#uses=1] |
| %3 = getelementptr inbounds %struct.__block_literal_1, %struct.__block_literal_1* %2, i64 0, i32 3 ; <i8**> [#uses=1] |
| %4 = load i8*, i8** %3, align 8 ; <i8*> [#uses=1] |
| %5 = bitcast i8* %4 to void (i8*)* ; <void (i8*)*> [#uses=1] |
| %6 = bitcast void ()* %1 to i8* ; <i8*> [#uses=1] |
| tail call void %5(i8* %6) nounwind |
| ret void |
| } |
| |
| ; rdar://7726868 |
| %struct.foo = type { [4 x i32] } |
| |
| define void @t15(%struct.foo* noalias sret %agg.result) nounwind { |
| ; X32-LABEL: t15: |
| ; X32: # %bb.0: |
| ; X32-NEXT: pushl %esi |
| ; X32-NEXT: subl $8, %esp |
| ; X32-NEXT: movl {{[0-9]+}}(%esp), %esi |
| ; X32-NEXT: movl %esi, %ecx |
| ; X32-NEXT: calll f |
| ; X32-NEXT: movl %esi, %eax |
| ; X32-NEXT: addl $8, %esp |
| ; X32-NEXT: popl %esi |
| ; X32-NEXT: retl $4 |
| ; |
| ; X64-LABEL: t15: |
| ; X64: # %bb.0: |
| ; X64-NEXT: pushq %rbx |
| ; X64-NEXT: movq %rdi, %rbx |
| ; X64-NEXT: callq f |
| ; X64-NEXT: movq %rbx, %rax |
| ; X64-NEXT: popq %rbx |
| ; X64-NEXT: retq |
| ; |
| ; X32ABI-LABEL: t15: |
| ; X32ABI: # %bb.0: |
| ; X32ABI-NEXT: pushq %rbx |
| ; X32ABI-NEXT: movl %edi, %ebx |
| ; X32ABI-NEXT: callq f |
| ; X32ABI-NEXT: movl %ebx, %eax |
| ; X32ABI-NEXT: popq %rbx |
| ; X32ABI-NEXT: retq |
| tail call fastcc void @f(%struct.foo* noalias sret %agg.result) nounwind |
| ret void |
| } |
| |
| declare void @f(%struct.foo* noalias sret) nounwind |
| |
| define void @t16() nounwind ssp { |
| ; X32-LABEL: t16: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: calll bar4 |
| ; X32-NEXT: fstp %st(0) |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t16: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: jmp bar4 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t16: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: jmp bar4 # TAILCALL |
| entry: |
| %0 = tail call double @bar4() nounwind |
| ret void |
| } |
| |
| declare double @bar4() |
| |
| ; rdar://6283267 |
| define void @t17() nounwind ssp { |
| ; X32-LABEL: t17: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: jmp bar5 # TAILCALL |
| ; |
| ; X64-LABEL: t17: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: jmp bar5 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t17: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: xorl %eax, %eax |
| ; X32ABI-NEXT: jmp bar5 # TAILCALL |
| entry: |
| tail call void (...) @bar5() nounwind |
| ret void |
| } |
| |
| declare void @bar5(...) |
| |
| ; rdar://7774847 |
| define void @t18() nounwind ssp { |
| ; X32-LABEL: t18: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: calll bar6 |
| ; X32-NEXT: fstp %st(0) |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t18: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: xorl %eax, %eax |
| ; X64-NEXT: jmp bar6 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t18: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: xorl %eax, %eax |
| ; X32ABI-NEXT: jmp bar6 # TAILCALL |
| entry: |
| %0 = tail call double (...) @bar6() nounwind |
| ret void |
| } |
| |
| declare double @bar6(...) |
| |
| define void @t19() alignstack(32) nounwind { |
| ; X32-LABEL: t19: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: pushl %ebp |
| ; X32-NEXT: movl %esp, %ebp |
| ; X32-NEXT: andl $-32, %esp |
| ; X32-NEXT: subl $32, %esp |
| ; X32-NEXT: calll foo |
| ; X32-NEXT: movl %ebp, %esp |
| ; X32-NEXT: popl %ebp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t19: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: pushq %rbp |
| ; X64-NEXT: movq %rsp, %rbp |
| ; X64-NEXT: andq $-32, %rsp |
| ; X64-NEXT: subq $32, %rsp |
| ; X64-NEXT: callq foo |
| ; X64-NEXT: movq %rbp, %rsp |
| ; X64-NEXT: popq %rbp |
| ; X64-NEXT: retq |
| ; |
| ; X32ABI-LABEL: t19: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: pushq %rbp |
| ; X32ABI-NEXT: movl %esp, %ebp |
| ; X32ABI-NEXT: andl $-32, %esp |
| ; X32ABI-NEXT: subl $32, %esp |
| ; X32ABI-NEXT: callq foo |
| ; X32ABI-NEXT: movl %ebp, %esp |
| ; X32ABI-NEXT: popq %rbp |
| ; X32ABI-NEXT: retq |
| entry: |
| tail call void @foo() nounwind |
| ret void |
| } |
| |
| ; If caller / callee calling convention mismatch then check if the return |
| ; values are returned in the same registers. |
| ; rdar://7874780 |
| |
| define double @t20(double %x) nounwind { |
| ; X32-LABEL: t20: |
| ; X32: # %bb.0: # %entry |
| ; X32-NEXT: subl $12, %esp |
| ; X32-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero |
| ; X32-NEXT: calll foo20 |
| ; X32-NEXT: movsd %xmm0, (%esp) |
| ; X32-NEXT: fldl (%esp) |
| ; X32-NEXT: addl $12, %esp |
| ; X32-NEXT: retl |
| ; |
| ; X64-LABEL: t20: |
| ; X64: # %bb.0: # %entry |
| ; X64-NEXT: jmp foo20 # TAILCALL |
| ; |
| ; X32ABI-LABEL: t20: |
| ; X32ABI: # %bb.0: # %entry |
| ; X32ABI-NEXT: jmp foo20 # TAILCALL |
| entry: |
| %0 = tail call fastcc double @foo20(double %x) nounwind |
| ret double %0 |
| } |
| |
| declare fastcc double @foo20(double) nounwind |
