0676acb6fd
Should cover most of the tests for GVN, GVNHoist, GVNSink, GlobalOpt, GlobalSplit, InstCombine, Reassociate, SROA and TailCallElim that had not been updated earlier.
45 lines
1.4 KiB
LLVM
45 lines
1.4 KiB
LLVM
; RUN: opt -passes=gvn -S < %s | FileCheck %s
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target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
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target triple = "i686-pc-windows-msvc"
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%eh.ThrowInfo = type { i32, i8*, i8*, i8* }
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%struct.A = type { i32* }
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@"_TI1?AUA@@" = external constant %eh.ThrowInfo
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define i8 @f() personality i32 (...)* @__CxxFrameHandler3 {
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entry:
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%b = alloca i8
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%c = alloca i8
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store i8 42, i8* %b
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store i8 13, i8* %c
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invoke void @_CxxThrowException(i8* %b, %eh.ThrowInfo* nonnull @"_TI1?AUA@@")
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to label %unreachable unwind label %catch.dispatch
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catch.dispatch: ; preds = %entry
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%cs1 = catchswitch within none [label %catch] unwind to caller
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catch: ; preds = %catch.dispatch
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%catchpad = catchpad within %cs1 [i8* null, i32 64, i8* null]
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store i8 5, i8* %b
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catchret from %catchpad to label %try.cont
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try.cont: ; preds = %catch
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%load_b = load i8, i8* %b
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%load_c = load i8, i8* %c
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%add = add i8 %load_b, %load_c
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ret i8 %add
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unreachable: ; preds = %entry
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unreachable
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}
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; CHECK-LABEL: define i8 @f(
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; CHECK: %[[load_b:.*]] = load i8, i8* %b
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; CHECK-NEXT: %[[load_c:.*]] = load i8, i8* %c
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; CHECK-NEXT: %[[add:.*]] = add i8 %[[load_b]], %[[load_c]]
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; CHECK-NEXT: ret i8 %[[add]]
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declare i32 @__CxxFrameHandler3(...)
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declare x86_stdcallcc void @_CxxThrowException(i8*, %eh.ThrowInfo*)
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