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authorStephen Hines <srhines@google.com>2015-04-01 18:49:24 +0000
committerGerrit Code Review <noreply-gerritcodereview@google.com>2015-04-01 18:49:26 +0000
commit3fa16bd6062e23bcdb82ed4dd965674792e6b761 (patch)
tree9348fc507292f7e8715d22d64ce5a32131b4f875 /test/CodeGen/X86/statepoint-stackmap-format.ll
parentbeed47390a60f6f0c77532b3d3f76bb47ef49423 (diff)
parentebe69fe11e48d322045d5949c83283927a0d790b (diff)
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Merge "Update aosp/master LLVM for rebase to r230699."
Diffstat (limited to 'test/CodeGen/X86/statepoint-stackmap-format.ll')
-rw-r--r--test/CodeGen/X86/statepoint-stackmap-format.ll109
1 files changed, 109 insertions, 0 deletions
diff --git a/test/CodeGen/X86/statepoint-stackmap-format.ll b/test/CodeGen/X86/statepoint-stackmap-format.ll
new file mode 100644
index 0000000..e452a63
--- /dev/null
+++ b/test/CodeGen/X86/statepoint-stackmap-format.ll
@@ -0,0 +1,109 @@
+; RUN: llc < %s | FileCheck %s
+; This test is a sanity check to ensure statepoints are generating StackMap
+; sections correctly. This is not intended to be a rigorous test of the
+; StackMap format (see the stackmap tests for that).
+
+target datalayout = "e-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-pc-linux-gnu"
+
+declare zeroext i1 @return_i1()
+
+define i1 @test(i32 addrspace(1)* %ptr) gc "statepoint-example" {
+; CHECK-LABEL: test
+; Do we see one spill for the local value and the store to the
+; alloca?
+; CHECK: subq $24, %rsp
+; CHECK: movq $0, 8(%rsp)
+; CHECK: movq %rdi, (%rsp)
+; CHECK: callq return_i1
+; CHECK: addq $24, %rsp
+; CHECK: retq
+entry:
+ %metadata1 = alloca i32 addrspace(1)*, i32 2, align 8
+ store i32 addrspace(1)* null, i32 addrspace(1)** %metadata1
+ %safepoint_token = tail call i32 (i1 ()*, i32, i32, ...)* @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()* @return_i1, i32 0, i32 0, i32 2, i32 addrspace(1)* %ptr, i32 addrspace(1)* null, i32 addrspace(1)* %ptr, i32 addrspace(1)* null)
+ %call1 = call zeroext i1 @llvm.experimental.gc.result.i1(i32 %safepoint_token)
+ %a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 6, i32 6)
+ %b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32 %safepoint_token, i32 7, i32 7)
+;
+ ret i1 %call1
+}
+
+declare i32 @llvm.experimental.gc.statepoint.p0f_i1f(i1 ()*, i32, i32, ...)
+declare i1 @llvm.experimental.gc.result.i1(i32)
+declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(i32, i32, i32) #3
+
+
+; CHECK-LABEL: .section .llvm_stackmaps
+; CHECK-NEXT: __LLVM_StackMaps:
+; Header
+; CHECK-NEXT: .byte 1
+; CHECK-NEXT: .byte 0
+; CHECK-NEXT: .short 0
+; Num Functions
+; CHECK-NEXT: .long 1
+; Num LargeConstants
+; CHECK-NEXT: .long 0
+; Num Callsites
+; CHECK-NEXT: .long 1
+
+; Functions and stack size
+; CHECK-NEXT: .quad test
+; CHECK-NEXT: .quad 24
+
+; Large Constants
+; Statepoint ID only
+; CHECK: .quad 2882400000
+
+; Callsites
+; Constant arguments
+; CHECK: .long .Ltmp1-test
+; CHECK: .short 0
+; CHECK: .short 8
+; SmallConstant (0)
+; CHECK: .byte 4
+; CHECK: .byte 8
+; CHECK: .short 0
+; CHECK: .long 0
+; SmallConstant (2)
+; CHECK: .byte 4
+; CHECK: .byte 8
+; CHECK: .short 0
+; CHECK: .long 2
+; Direct Spill Slot [RSP+0]
+; CHECK: .byte 2
+; CHECK: .byte 8
+; CHECK: .short 7
+; CHECK: .long 0
+; SmallConstant (0)
+; CHECK: .byte 4
+; CHECK: .byte 8
+; CHECK: .short 0
+; CHECK: .long 0
+; SmallConstant (0)
+; CHECK: .byte 4
+; CHECK: .byte 8
+; CHECK: .short 0
+; CHECK: .long 0
+; SmallConstant (0)
+; CHECK: .byte 4
+; CHECK: .byte 8
+; CHECK: .short 0
+; CHECK: .long 0
+; Direct Spill Slot [RSP+0]
+; CHECK: .byte 2
+; CHECK: .byte 8
+; CHECK: .short 7
+; CHECK: .long 0
+; Direct Spill Slot [RSP+0]
+; CHECK: .byte 2
+; CHECK: .byte 8
+; CHECK: .short 7
+; CHECK: .long 0
+
+; No Padding or LiveOuts
+; CHECK: .short 0
+; CHECK: .short 0
+; CHECK: .align 8
+
+