forked from OSchip/llvm-project
157 lines
10 KiB
LLVM
157 lines
10 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -basic-aa -gvn -S < %s | FileCheck %s
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declare void @func()
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declare i32 @"personality_function"()
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define i1 @test_trivial(i32 addrspace(1)* %in) gc "statepoint-example" {
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; CHECK-LABEL: @test_trivial(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN:%.*]]) ]
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; CHECK-NEXT: [[A:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 addrspace(1)* [[A]], null
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; CHECK-NEXT: ret i1 [[CMP1]]
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;
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entry:
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%safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in)]
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%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%cmp1 = icmp eq i32 addrspace(1)* %a, null
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%cmp2 = icmp eq i32 addrspace(1)* %b, null
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%cmp = and i1 %cmp1, %cmp2
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ret i1 %cmp
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}
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@G = external global i32
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define i1 @test_readnone(i32 addrspace(1)* %in) gc "statepoint-example" {
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; CHECK-LABEL: @test_readnone(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN:%.*]]) ]
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; CHECK-NEXT: [[A:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: store i32 0, i32* @G, align 4
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 addrspace(1)* [[A]], null
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; CHECK-NEXT: ret i1 [[CMP1]]
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;
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entry:
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%safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in)]
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%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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store i32 0, i32* @G
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%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%cmp1 = icmp eq i32 addrspace(1)* %a, null
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%cmp2 = icmp eq i32 addrspace(1)* %b, null
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%cmp = and i1 %cmp1, %cmp2
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ret i1 %cmp
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}
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define i1 @test_call(i32 addrspace(1)* %in) gc "statepoint-example" {
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; CHECK-LABEL: @test_call(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN:%.*]], i32 addrspace(1)* [[IN]]) ]
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; CHECK-NEXT: [[BASE:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: [[SAFEPOINT_TOKEN2:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[BASE]], i32 addrspace(1)* [[BASE]]) ]
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; CHECK-NEXT: [[BASE_RELOC:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN2]], i32 0, i32 0)
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 addrspace(1)* [[BASE_RELOC]], null
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; CHECK-NEXT: ret i1 [[CMP1]]
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;
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entry:
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%safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in, i32 addrspace(1)* %in)]
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%base = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%derived = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 1)
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%safepoint_token2 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %base, i32 addrspace(1)* %derived)]
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br label %next
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next:
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%base_reloc = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token2, i32 0, i32 0)
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%derived_reloc = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token2, i32 0, i32 1)
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%cmp1 = icmp eq i32 addrspace(1)* %base_reloc, null
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%cmp2 = icmp eq i32 addrspace(1)* %derived_reloc, null
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%cmp = and i1 %cmp1, %cmp2
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ret i1 %cmp
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}
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; Negative test: Check that relocates from different statepoints are not CSE'd
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define i1 @test_two_calls(i32 addrspace(1)* %in1, i32 addrspace(1)* %in2) gc "statepoint-example" {
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; CHECK-LABEL: @test_two_calls(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN1:%.*]], i32 addrspace(1)* [[IN2:%.*]]) ]
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; CHECK-NEXT: [[IN1_RELOC1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: [[IN2_RELOC1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 1, i32 1)
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; CHECK-NEXT: [[SAFEPOINT_TOKEN2:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN1_RELOC1]], i32 addrspace(1)* [[IN2_RELOC1]]) ]
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; CHECK-NEXT: [[IN1_RELOC2:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN2]], i32 0, i32 1)
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; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 addrspace(1)* [[IN1_RELOC2]], null
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; CHECK-NEXT: ret i1 [[CMP1]]
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;
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entry:
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%safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in1, i32 addrspace(1)* %in2)]
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%in1.reloc1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%in2.reloc1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 1, i32 1)
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%safepoint_token2 = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in1.reloc1, i32 addrspace(1)* %in2.reloc1)]
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%in1.reloc2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token2, i32 0, i32 1)
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%in2.reloc2 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token2, i32 0, i32 1)
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%cmp1 = icmp eq i32 addrspace(1)* %in1.reloc2, null
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%cmp2 = icmp eq i32 addrspace(1)* %in2.reloc2, null
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%cmp = and i1 %cmp1, %cmp2
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ret i1 %cmp
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}
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; Negative test: Check that relocates from normal and exceptional pathes are not be CSE'd
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define i32 addrspace(1)* @test_invoke(i32 addrspace(1)* %in) gc "statepoint-example" personality i32 ()* @"personality_function" {
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; CHECK-LABEL: @test_invoke(
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; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN:%.*]]) ]
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; CHECK-NEXT: to label [[INVOKE_NORMAL_DEST:%.*]] unwind label [[EXCEPTIONAL_RETURN:%.*]]
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; CHECK: invoke_normal_dest:
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; CHECK-NEXT: [[OUT:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: ret i32 addrspace(1)* [[OUT]]
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; CHECK: exceptional_return:
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; CHECK-NEXT: [[LANDING_PAD:%.*]] = landingpad token
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; CHECK-NEXT: cleanup
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; CHECK-NEXT: [[OUT1:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[LANDING_PAD]], i32 0, i32 0)
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; CHECK-NEXT: ret i32 addrspace(1)* [[OUT1]]
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;
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%safepoint_token = invoke token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in)]
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to label %invoke_normal_dest unwind label %exceptional_return
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invoke_normal_dest:
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%out = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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ret i32 addrspace(1)* %out
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exceptional_return:
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%landing_pad = landingpad token
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cleanup
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%out1 = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %landing_pad, i32 0, i32 0)
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ret i32 addrspace(1)* %out1
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}
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; negative test - neither dominates the other
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define i1 @test_non_dominating(i1 %c, i32 addrspace(1)* %in) gc "statepoint-example" {
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;
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; CHECK-LABEL: @test_non_dominating(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: [[SAFEPOINT_TOKEN:%.*]] = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) [ "gc-live"(i32 addrspace(1)* [[IN:%.*]]) ]
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; CHECK-NEXT: br i1 [[C:%.*]], label [[TAKEN:%.*]], label [[UNTAKEN:%.*]]
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; CHECK: taken:
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; CHECK-NEXT: [[A:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: [[CMP:%.*]] = icmp eq i32 addrspace(1)* [[A]], null
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; CHECK-NEXT: ret i1 [[CMP]]
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; CHECK: untaken:
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; CHECK-NEXT: [[B:%.*]] = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token [[SAFEPOINT_TOKEN]], i32 0, i32 0)
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; CHECK-NEXT: [[CMP2:%.*]] = icmp eq i32 addrspace(1)* [[B]], null
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; CHECK-NEXT: ret i1 [[CMP2]]
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;
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entry:
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%safepoint_token = call token (i64, i32, void ()*, i32, i32, ...) @llvm.experimental.gc.statepoint.p0f_isVoidf(i64 0, i32 0, void ()* @func, i32 0, i32 0, i32 0, i32 0) ["gc-live"(i32 addrspace(1)* %in)]
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br i1 %c, label %taken, label %untaken
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taken:
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%a = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%cmp = icmp eq i32 addrspace(1)* %a, null
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ret i1 %cmp
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untaken:
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%b = call i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token %safepoint_token, i32 0, i32 0)
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%cmp2 = icmp eq i32 addrspace(1)* %b, null
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ret i1 %cmp2
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}
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declare token @llvm.experimental.gc.statepoint.p0f_isVoidf(i64, i32, void ()*, i32, i32, ...)
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declare i32 addrspace(1)* @llvm.experimental.gc.relocate.p1i32(token, i32, i32)
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