derek.holloway
7502bf64a4
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102 lines
8.1 KiB
LLVM
102 lines
8.1 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --version 6
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; RUN: opt -passes=gvn -passes=instnamer -S %s | FileCheck %s
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; This test ensures that given dx.resource.getpointer reads inaccessible memory,
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; the GVN pass is prevented from sinking these intrinsics out of branches which
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; would create phi nodes on the returned ptr.
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;
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; NOTE: The following ir represents case F and G from:
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; https://godbolt.org/z/cK4xh1P49.
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%"class.hlsl::RWBuffer" = type { target("dx.TypedBuffer", i32, 1, 0, 1) }
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%"class.hlsl::RWStructuredBuffer" = type { target("dx.RawBuffer", i32, 1, 0), target("dx.RawBuffer", i32, 1, 0) }
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%__cblayout_c = type <{ i32 }>
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@In = internal global %"class.hlsl::RWBuffer" poison, align 4
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@.str = private unnamed_addr constant [3 x i8] c"In\00", align 1
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@Out0 = internal global %"class.hlsl::RWStructuredBuffer" poison, align 4
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@.str.2 = private unnamed_addr constant [5 x i8] c"Out0\00", align 1
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@Out1 = internal global %"class.hlsl::RWStructuredBuffer" poison, align 4
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@.str.4 = private unnamed_addr constant [5 x i8] c"Out1\00", align 1
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@c.cb = local_unnamed_addr global target("dx.CBuffer", %__cblayout_c) poison
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@cond = external hidden local_unnamed_addr addrspace(2) global i32, align 4
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@c.str = private unnamed_addr constant [2 x i8] c"c\00", align 1
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define void @main() local_unnamed_addr {
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; CHECK-LABEL: define void @main() local_unnamed_addr {
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; CHECK-NEXT: [[ENTRY:.*:]]
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; CHECK-NEXT: [[TMP0:%.*]] = tail call target("dx.TypedBuffer", i32, 1, 0, 1) @llvm.dx.resource.handlefrombinding.tdx.TypedBuffer_i32_1_0_1t(i32 0, i32 0, i32 1, i32 0, ptr nonnull @.str)
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; CHECK-NEXT: store target("dx.TypedBuffer", i32, 1, 0, 1) [[TMP0]], ptr @In, align 4
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; CHECK-NEXT: [[TMP1:%.*]] = tail call target("dx.RawBuffer", i32, 1, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i32_1_0t(i32 0, i32 1, i32 1, i32 0, ptr nonnull @.str.2)
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; CHECK-NEXT: store target("dx.RawBuffer", i32, 1, 0) [[TMP1]], ptr @Out0, align 4
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; CHECK-NEXT: store target("dx.RawBuffer", i32, 1, 0) [[TMP1]], ptr getelementptr inbounds nuw (i8, ptr @Out0, i32 4), align 4
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; CHECK-NEXT: [[TMP2:%.*]] = tail call target("dx.RawBuffer", i32, 1, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i32_1_0t(i32 0, i32 2, i32 1, i32 0, ptr nonnull @.str.4)
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; CHECK-NEXT: store target("dx.RawBuffer", i32, 1, 0) [[TMP2]], ptr @Out1, align 4
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; CHECK-NEXT: store target("dx.RawBuffer", i32, 1, 0) [[TMP2]], ptr getelementptr inbounds nuw (i8, ptr @Out1, i32 4), align 4
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; CHECK-NEXT: [[C_CB_H_I_I:%.*]] = tail call target("dx.CBuffer", [[__CBLAYOUT_C:%.*]]) @llvm.dx.resource.handlefromimplicitbinding.tdx.CBuffer_s___cblayout_cst(i32 4, i32 0, i32 1, i32 0, ptr nonnull @c.str)
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; CHECK-NEXT: store target("dx.CBuffer", [[__CBLAYOUT_C]]) [[C_CB_H_I_I]], ptr @c.cb, align 4
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; CHECK-NEXT: [[TMP3:%.*]] = tail call i32 @llvm.dx.flattened.thread.id.in.group()
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; CHECK-NEXT: [[TMP4:%.*]] = load i32, ptr addrspace(2) @cond, align 4
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; CHECK-NEXT: [[LOADEDV_I:%.*]] = trunc nuw i32 [[TMP4]] to i1
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; CHECK-NEXT: br i1 [[LOADEDV_I]], label %[[IF_THEN_I:.*]], label %[[IF_ELSE_I:.*]]
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; CHECK: [[IF_THEN_I]]:
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; CHECK-NEXT: [[TMP5:%.*]] = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.TypedBuffer_i32_1_0_1t.i32(target("dx.TypedBuffer", i32, 1, 0, 1) [[TMP0]], i32 [[TMP3]])
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; CHECK-NEXT: [[TMP6:%.*]] = load i32, ptr [[TMP5]], align 4
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; CHECK-NEXT: [[HLSL_WAVE_ACTIVE_SUM_I:%.*]] = tail call i32 @llvm.dx.wave.reduce.sum.i32(i32 [[TMP6]])
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; CHECK-NEXT: [[TMP7:%.*]] = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) [[TMP1]], i32 [[TMP3]])
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; CHECK-NEXT: store i32 [[HLSL_WAVE_ACTIVE_SUM_I]], ptr [[TMP7]], align 4
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; CHECK-NEXT: br label %[[MAIN_EXIT:.*]]
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; CHECK: [[IF_ELSE_I]]:
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; CHECK-NEXT: [[TMP8:%.*]] = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.TypedBuffer_i32_1_0_1t.i32(target("dx.TypedBuffer", i32, 1, 0, 1) [[TMP0]], i32 [[TMP3]])
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; CHECK-NEXT: [[TMP9:%.*]] = load i32, ptr [[TMP8]], align 4
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; CHECK-NEXT: [[TMP10:%.*]] = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) [[TMP1]], i32 0)
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; CHECK-NEXT: store i32 [[TMP9]], ptr [[TMP10]], align 4
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; CHECK-NEXT: br label %[[MAIN_EXIT]]
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; CHECK: [[MAIN_EXIT]]:
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; CHECK-NEXT: [[TMP11:%.*]] = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.TypedBuffer_i32_1_0_1t.i32(target("dx.TypedBuffer", i32, 1, 0, 1) [[TMP0]], i32 [[TMP3]])
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; CHECK-NEXT: [[TMP12:%.*]] = load i32, ptr [[TMP11]], align 4
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; CHECK-NEXT: [[HLSL_WAVE_ACTIVE_SUM5_I:%.*]] = tail call i32 @llvm.dx.wave.reduce.sum.i32(i32 [[TMP12]])
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; CHECK-NEXT: [[TMP13:%.*]] = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) [[TMP1]], i32 [[TMP3]])
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; CHECK-NEXT: store i32 [[HLSL_WAVE_ACTIVE_SUM5_I]], ptr [[TMP13]], align 4
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; CHECK-NEXT: ret void
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;
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entry:
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%0 = tail call target("dx.TypedBuffer", i32, 1, 0, 1) @llvm.dx.resource.handlefrombinding.tdx.TypedBuffer_i32_1_0_1t(i32 0, i32 0, i32 1, i32 0, ptr nonnull @.str)
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store target("dx.TypedBuffer", i32, 1, 0, 1) %0, ptr @In, align 4
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%1 = tail call target("dx.RawBuffer", i32, 1, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i32_1_0t(i32 0, i32 1, i32 1, i32 0, ptr nonnull @.str.2)
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store target("dx.RawBuffer", i32, 1, 0) %1, ptr @Out0, align 4
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store target("dx.RawBuffer", i32, 1, 0) %1, ptr getelementptr inbounds nuw (i8, ptr @Out0, i32 4), align 4
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%2 = tail call target("dx.RawBuffer", i32, 1, 0) @llvm.dx.resource.handlefrombinding.tdx.RawBuffer_i32_1_0t(i32 0, i32 2, i32 1, i32 0, ptr nonnull @.str.4)
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store target("dx.RawBuffer", i32, 1, 0) %2, ptr @Out1, align 4
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store target("dx.RawBuffer", i32, 1, 0) %2, ptr getelementptr inbounds nuw (i8, ptr @Out1, i32 4), align 4
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%c.cb_h.i.i = tail call target("dx.CBuffer", %__cblayout_c) @llvm.dx.resource.handlefromimplicitbinding.tdx.CBuffer_s___cblayout_cst(i32 4, i32 0, i32 1, i32 0, ptr nonnull @c.str)
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store target("dx.CBuffer", %__cblayout_c) %c.cb_h.i.i, ptr @c.cb, align 4
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%3 = tail call i32 @llvm.dx.flattened.thread.id.in.group()
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%4 = load i32, ptr addrspace(2) @cond, align 4
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%loadedv.i = trunc nuw i32 %4 to i1
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br i1 %loadedv.i, label %if.then.i, label %if.else.i
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if.then.i: ; preds = %entry
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%5 = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.TypedBuffer_i32_1_0_1t.i32(target("dx.TypedBuffer", i32, 1, 0, 1) %0, i32 %3)
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%6 = load i32, ptr %5, align 4
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%hlsl.wave.active.sum.i = tail call i32 @llvm.dx.wave.reduce.sum.i32(i32 %6)
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%7 = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) %1, i32 %3)
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store i32 %hlsl.wave.active.sum.i, ptr %7, align 4
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br label %main.exit
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if.else.i: ; preds = %entry
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%8 = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.TypedBuffer_i32_1_0_1t.i32(target("dx.TypedBuffer", i32, 1, 0, 1) %0, i32 %3)
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%9 = load i32, ptr %8, align 4
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%10 = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) %1, i32 0)
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store i32 %9, ptr %10, align 4
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br label %main.exit
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main.exit: ; preds = %if.then.i, %if.else.i
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%11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.TypedBuffer_i32_1_0_1t.i32(target("dx.TypedBuffer", i32, 1, 0, 1) %0, i32 %3)
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%12 = load i32, ptr %11, align 4
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%hlsl.wave.active.sum5.i = tail call i32 @llvm.dx.wave.reduce.sum.i32(i32 %12)
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%13 = tail call noundef nonnull align 4 dereferenceable(4) ptr @llvm.dx.resource.getpointer.p0.tdx.RawBuffer_i32_1_0t.i32(target("dx.RawBuffer", i32, 1, 0) %1, i32 %3)
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store i32 %hlsl.wave.active.sum5.i, ptr %13, align 4
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ret void
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}
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