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Canonicalize a test via utils/update_test_checks.py
Turns out I might not have further changes to make here, but with the way I'd written the tests, even I couldn't tell that. :( llvm-svn: 304613
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@ -1,3 +1,4 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: llc -verify-machineinstrs -O3 < %s | FileCheck %s
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.11.0"
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@ -6,38 +7,70 @@ declare void @bar() #0
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declare void @baz()
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define void @test1(i32 %a) gc "statepoint-example" {
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; CHECK-LABEL: test1:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: Lcfi0:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp0:
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: retq
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;
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entry:
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; We expect the argument to be passed in an extra register to bar
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; CHECK-LABEL: test1
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; CHECK: pushq %rax
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; CHECK-NEXT: Lcfi0:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _bar
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%statepoint_token1 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 1, i32 %a)
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ret void
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}
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define void @test2(i32 %a, i32 %b) gc "statepoint-example" {
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; CHECK-LABEL: test2:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rbp
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; CHECK-NEXT: Lcfi1:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: Lcfi2:
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; CHECK-NEXT: .cfi_def_cfa_offset 24
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: Lcfi3:
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: Lcfi4:
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; CHECK-NEXT: .cfi_offset %rbx, -24
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; CHECK-NEXT: Lcfi5:
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; CHECK-NEXT: .cfi_offset %rbp, -16
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; CHECK-NEXT: movl %esi, %ebx
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; CHECK-NEXT: movl %edi, %ebp
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp1:
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp2:
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; CHECK-NEXT: addq $8, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: popq %rbp
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; CHECK-NEXT: retq
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;
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entry:
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; Because the first call clobbers esi, we have to move the values into
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; new registers. Note that they stay in the registers for both calls.
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; CHECK-LABEL: @test2
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; CHECK: movl %esi, %ebx
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; CHECK-NEXT: movl %edi, %ebp
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; CHECK-NEXT: callq _bar
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call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 2, i32 %a, i32 %b)
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call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 2, i32 %b, i32 %a)
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ret void
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}
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define void @test3(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i) gc "statepoint-example" {
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; CHECK-LABEL: test3:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: Lcfi6:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp3:
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: retq
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;
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entry:
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; TODO: We should have folded the reload into the statepoint.
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; CHECK-LABEL: @test3
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; CHECK: pushq %rax
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; CHECK-NEXT: Lcfi
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _bar
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; We directly reference the argument slot
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%statepoint_token1 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 9, i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i)
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ret void
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}
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@ -47,25 +80,39 @@ entry:
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; also ends up being a good test of whether we can fold loads from immutable
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; stack slots into the statepoint.
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define void @test4(i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z) gc "statepoint-example" {
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; CHECK-LABEL: test4:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: Lcfi7:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp4:
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; CHECK-NEXT: popq %rax
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; CHECK-NEXT: retq
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;
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entry:
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; CHECK-LABEL: test4
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; CHECK: pushq %rax
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; CHECK-NEXT: Lcfi
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: callq _bar
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%statepoint_token1 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 26, i32 %a, i32 %b, i32 %c, i32 %d, i32 %e, i32 %f, i32 %g, i32 %h, i32 %i, i32 %j, i32 %k, i32 %l, i32 %m, i32 %n, i32 %o, i32 %p, i32 %q, i32 %r, i32 %s, i32 %t, i32 %u, i32 %v, i32 %w, i32 %x, i32 %y, i32 %z)
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ret void
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}
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; A live-through gc-value must be spilled even if it is also a live-in deopt
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; value. For live-in, we could technically report the register copy, but from
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; a code quality perspective it's better to reuse the required stack slot so
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; a code quality perspective it's better to reuse the required stack slot so
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; as to put less stress on the register allocator for no benefit.
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define i32 addrspace(1)* @test5(i32 %a, i32 addrspace(1)* %p) gc "statepoint-example" {
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; CHECK-LABEL: test5:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rax
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; CHECK-NEXT: Lcfi8:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: movq %rsi, (%rsp)
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp5:
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; CHECK-NEXT: movq (%rsp), %rax
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; CHECK-NEXT: popq %rcx
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; CHECK-NEXT: retq
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;
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entry:
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; CHECK-LABEL: test5
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; CHECK: movq %rsi, (%rsp)
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; CHECK-NEXT: callq _bar
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%token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 1, i32 %a, i32 addrspace(1)* %p, i32 addrspace(1)* %p)
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%p2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %token, i32 9, i32 9)
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ret i32 addrspace(1)* %p2
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@ -73,14 +120,27 @@ entry:
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; Show the interaction of live-through spilling followed by live-in.
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define void @test6(i32 %a) gc "statepoint-example" {
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; CHECK-LABEL: test6:
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; CHECK: ## BB#0: ## %entry
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; CHECK-NEXT: pushq %rbx
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; CHECK-NEXT: Lcfi9:
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; CHECK-NEXT: .cfi_def_cfa_offset 16
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; CHECK-NEXT: subq $16, %rsp
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; CHECK-NEXT: Lcfi10:
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; CHECK-NEXT: .cfi_def_cfa_offset 32
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; CHECK-NEXT: Lcfi11:
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; CHECK-NEXT: .cfi_offset %rbx, -16
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; CHECK-NEXT: movl %edi, %ebx
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; CHECK-NEXT: movl %ebx, {{[0-9]+}}(%rsp)
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; CHECK-NEXT: callq _baz
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; CHECK-NEXT: Ltmp6:
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; CHECK-NEXT: callq _bar
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; CHECK-NEXT: Ltmp7:
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; CHECK-NEXT: addq $16, %rsp
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; CHECK-NEXT: popq %rbx
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; CHECK-NEXT: retq
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;
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entry:
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; TODO: We could have reused the previous spill slot at zero additional cost.
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; CHECK-LABEL: test6
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; CHECK: movl %edi, %ebx
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; CHECK: movl %ebx, 12(%rsp)
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; CHECK-NEXT: callq _baz
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; CHECK-NEXT: Ltmp
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; CHECK-NEXT: callq _bar
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call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @baz, i32 0, i32 0, i32 0, i32 1, i32 %a)
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call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 2882400000, i32 0, void ()* @bar, i32 0, i32 2, i32 0, i32 1, i32 %a)
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ret void
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