forked from OSchip/llvm-project
40 lines
1.3 KiB
LLVM
40 lines
1.3 KiB
LLVM
; RUN: opt -S -codegenprepare < %s | FileCheck %s -check-prefix=CHECK -check-prefix=GEP
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target datalayout =
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"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
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target triple = "x86_64-unknown-linux-gnu"
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; CHECK-LABEL: @load_cast_gep
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; GEP: [[CAST:%[0-9]+]] = addrspacecast i64* %base to i8 addrspace(1)*
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; GEP: getelementptr i8, i8 addrspace(1)* [[CAST]], i64 40
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define void @load_cast_gep(i1 %cond, i64* %base) {
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entry:
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%addr = getelementptr inbounds i64, i64* %base, i64 5
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%casted = addrspacecast i64* %addr to i32 addrspace(1)*
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br i1 %cond, label %if.then, label %fallthrough
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if.then:
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%v = load i32, i32 addrspace(1)* %casted, align 4
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br label %fallthrough
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fallthrough:
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ret void
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}
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; CHECK-LABEL: @store_gep_cast
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; GEP: [[CAST:%[0-9]+]] = addrspacecast i64* %base to i8 addrspace(1)*
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; GEP: getelementptr i8, i8 addrspace(1)* [[CAST]], i64 20
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define void @store_gep_cast(i1 %cond, i64* %base) {
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entry:
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%casted = addrspacecast i64* %base to i32 addrspace(1)*
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%addr = getelementptr inbounds i32, i32 addrspace(1)* %casted, i64 5
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br i1 %cond, label %if.then, label %fallthrough
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if.then:
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store i32 0, i32 addrspace(1)* %addr, align 4
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br label %fallthrough
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fallthrough:
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ret void
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}
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